Add/correct architecture prefixes to changelog for 4.5.4

Also delete mention of clk-meson, which we don't build at all.

debian/changelog

@@ -9,7 +9,7 @@ linux (4.5.4-1) UNRELEASED; urgency=medium
       engine
     - ipvs: drop first packet to redirect conntrack
     - rtlwifi: Fix size of wireless mode variable
-    - mfd: intel-lpss: Remove clock tree on error path
+    - [x86] mfd: intel-lpss: Remove clock tree on error path
     - nbd: ratelimit error msgs after socket close
     - null_blk: add lightnvm null_blk device to the nullb_list
     - [arm64] ata: ahci_xgene: dereferencing uninitialized pointer in probe
@@ -17,16 +17,19 @@ linux (4.5.4-1) UNRELEASED; urgency=medium
     - ath10k: fix pktlog in QCA99X0
     - mwifiex: fix corner case association failure
     - clk-divider: make sure read-only dividers do not write to their register
-    - clk: rockchip: fix wrong mmc phase shift for rk3228
-    - clk: rockchip: free memory in error cases when registering clock branches
-    - clk: meson: Fix meson_clk_register_clks() signature type mismatch
-    - clk: versatile: sp810: support reentrance
-    - clk: sunxi: Fix sun8i-a23-apb0-clk divider flags
-    - clk: xgene: Add missing parenthesis when clearing divider value
-    - clk: bcm2835: fix check of error code returned by devm_ioremap_resource()
-    - pwm: omap-dmtimer: Fix inaccurate period and duty cycle calculations
-    - pwm: omap-dmtimer: Add sanity checking for load and match values
-    - pwm: omap-dmtimer: Round load and match values rather than truncate
+    - [armhf] clk: rockchip: fix wrong mmc phase shift for rk3228
+    - [armhf] clk: rockchip: free memory in error cases when registering clock
+      branches
+    - [armel/versatile] clk: versatile: sp810: support reentrance
+    - [armhf] clk: sunxi: Fix sun8i-a23-apb0-clk divider flags
+    - [arm64] clk: xgene: Add missing parenthesis when clearing divider value
+    - [armhf] clk: bcm2835: fix check of error code returned by
+      devm_ioremap_resource()
+    - [armhf] pwm: omap-dmtimer: Fix inaccurate period and duty cycle
+      calculations
+    - [armhf] pwm: omap-dmtimer: Add sanity checking for load and match values
+    - [armhf] pwm: omap-dmtimer: Round load and match values rather than
+      truncate
     - lpfc: fix misleading indentation
     - gpiolib-acpi: Duplicate con_id string when adding it to the crs lookup
       list
@@ -37,14 +40,14 @@ linux (4.5.4-1) UNRELEASED; urgency=medium
     - MD: make bio mergeable
     - Minimal fix-up of bad hashing behavior of hash_64()
     - mm: memcontrol: let v2 cgroups follow changes in system swappiness
-    - mm, cma: prevent nr_isolated_* counters from going negative
+    - [armhf] mm, cma: prevent nr_isolated_* counters from going negative
     - mm/zswap: provide unique zpool name
     - propogate_mnt: Handle the first propogated copy being a slave
       (CVE-2016-4581)
     - modpost: fix module autoloading for OF devices with generic compatible
       property
     - [armhf] EXYNOS: Properly skip unitialized parent clock in power domain on
-    - [armhf]  SoCFPGA: Fix secondary CPU startup in thumb2 kernel
+    - [armhf] SoCFPGA: Fix secondary CPU startup in thumb2 kernel
     - xen: Fix page <-> pfn conversion on 32 bit systems
     - xen/balloon: Fix crash when ballooning on x86 32 bit PAE
     - xen/evtchn: fix ring resize when binding new events
@@ -60,7 +63,7 @@ linux (4.5.4-1) UNRELEASED; urgency=medium
     - [x86] tsc: Read all ratio bits from MSR_PLATFORM_INFO
     - [arm64] cpuidle: Pass on arm_cpuidle_suspend()'s return value
     - [x86] sysfb_efi: Fix valid BAR address range check
-    - [arm*] dts: apq8064: add ahci ports-implemented mask
+    - [arm64] dts: apq8064: add ahci ports-implemented mask
     - ACPICA: Dispatcher: Update thread ID for recursive method calls
     - [powerpc*] Fix bad inline asm constraint in create_zero_mask()
     - libahci: save port map for forced port map
@@ -70,10 +73,11 @@ linux (4.5.4-1) UNRELEASED; urgency=medium
     - Revert "USB / PM: Allow USB devices to remain runtime-suspended when
       sleeping"
     - nvmem: mxs-ocotp: fix buffer overflow in read
-    - Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()
+    - [x86] Drivers: hv: vmbus: Fix signaling logic in
+      hv_need_to_signal_on_read()
     - [armhf] gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
-    - drm/amdgpu: make sure vertical front porch is at least 1
-    - drm/amdgpu: set metadata pointer to NULL after freeing.
+    - [x86] drm/amdgpu: make sure vertical front porch is at least 1
+    - [x86] drm/amdgpu: set metadata pointer to NULL after freeing.
     - [x86] iio: ak8975: Fix NULL pointer exception on early interrupt
     - [x86] iio: ak8975: fix maybe-uninitialized warning
     - drm/radeon: make sure vertical front porch is at least 1