i.MX: Move clk code from 'mach-imx' to 'drivers'

Move clk code from 'mach-imx' to 'drivers' to keep the code tree
structure closer to that of analogous one from Linux kernel and,
arguably although subjective, to keep 'mach-imx' less cluttered.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-imx/Makefile

@@ -1,26 +1,24 @@
 obj-y += clocksource.o
-obj-$(CONFIG_ARCH_IMX1)  += imx1.o clk-imx1.o
-obj-$(CONFIG_ARCH_IMX25) += imx25.o clk-imx25.o
-obj-$(CONFIG_ARCH_IMX21) += imx21.o clk-imx21.o
-obj-$(CONFIG_ARCH_IMX27) += imx27.o clk-imx27.o
-obj-$(CONFIG_ARCH_IMX31) += imx31.o clk-imx31.o
-obj-$(CONFIG_ARCH_IMX35) += imx35.o clk-imx35.o
-obj-$(CONFIG_ARCH_IMX50) += imx50.o imx5.o clk-imx5.o
+obj-$(CONFIG_ARCH_IMX1)  += imx1.o
+obj-$(CONFIG_ARCH_IMX25) += imx25.o
+obj-$(CONFIG_ARCH_IMX21) += imx21.o
+obj-$(CONFIG_ARCH_IMX27) += imx27.o
+obj-$(CONFIG_ARCH_IMX31) += imx31.o
+obj-$(CONFIG_ARCH_IMX35) += imx35.o
+obj-$(CONFIG_ARCH_IMX50) += imx50.o imx5.o
 pbl-$(CONFIG_ARCH_IMX50) += imx50.o imx5.o
-obj-$(CONFIG_ARCH_IMX51) += imx51.o imx5.o clk-imx5.o
+obj-$(CONFIG_ARCH_IMX51) += imx51.o imx5.o
 pbl-$(CONFIG_ARCH_IMX51) += imx51.o imx5.o
-obj-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o clk-imx5.o esdctl-v4.o
+obj-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o esdctl-v4.o
 pbl-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o esdctl-v4.o
-obj-$(CONFIG_ARCH_IMX6) += imx6.o usb-imx6.o clk-imx6.o
+obj-$(CONFIG_ARCH_IMX6) += imx6.o usb-imx6.o
 lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o
-obj-$(CONFIG_ARCH_IMX6SX) += clk-imx6sx.o
 obj-$(CONFIG_ARCH_IMX6UL) += clk-imx6ul.o
 obj-$(CONFIG_ARCH_IMX_XLOAD) += xload.o
 obj-$(CONFIG_IMX_IIM)	+= iim.o
 obj-$(CONFIG_IMX_OCOTP)	+= ocotp.o
 obj-$(CONFIG_NAND_IMX) += nand.o
 lwl-$(CONFIG_ARCH_IMX_EXTERNAL_BOOT_NAND) += external-nand-boot.o
-obj-$(CONFIG_COMMON_CLK) += clk-pllv1.o clk-pllv2.o clk-pllv3.o clk-pfd.o clk-gate2.o clk-gate-exclusive.o
 obj-y += devices.o imx.o
 obj-pbl-y += esdctl.o boot.o
 obj-$(CONFIG_BAREBOX_UPDATE) += imx-bbu-internal.o

drivers/clk/Makefile

@@ -9,3 +9,4 @@ obj-$(CONFIG_ARCH_ROCKCHIP)	+= rockchip/
 obj-$(CONFIG_ARCH_TEGRA)	+= tegra/
 obj-$(CONFIG_CLK_SOCFPGA)	+= socfpga.o
 obj-$(CONFIG_MACH_MIPS_ATH79)	+= clk-ar933x.o
+obj-$(CONFIG_ARCH_IMX)		+= imx/

drivers/clk/imx/Makefile

@@ -0,0 +1,20 @@
+obj-$(CONFIG_COMMON_CLK) +=	\
+	clk-pllv1.o		\
+	clk-pllv2.o		\
+	clk-pllv3.o		\
+	clk-pfd.o		\
+	clk-gate2.o		\
+	clk-gate-exclusive.o
+
+obj-$(CONFIG_ARCH_IMX1)   += clk-imx1.o
+obj-$(CONFIG_ARCH_IMX25)  += clk-imx25.o
+obj-$(CONFIG_ARCH_IMX21)  += clk-imx21.o
+obj-$(CONFIG_ARCH_IMX27)  += clk-imx27.o
+obj-$(CONFIG_ARCH_IMX31)  += clk-imx31.o
+obj-$(CONFIG_ARCH_IMX35)  += clk-imx35.o
+obj-$(CONFIG_ARCH_IMX50)  += clk-imx5.o
+obj-$(CONFIG_ARCH_IMX51)  += clk-imx5.o
+obj-$(CONFIG_ARCH_IMX53)  += clk-imx5.o
+obj-$(CONFIG_ARCH_IMX6)   += clk-imx6.o
+obj-$(CONFIG_ARCH_IMX6SX) += clk-imx6sx.o
+obj-$(CONFIG_ARCH_IMX6UL) += clk-imx6ul.o