debian/README.source: Refer to upload checklist in kernel-team.git

(cherry picked from commit 68456ebc6bfabc94b05ca0771d502a2e1e5f8040)

debian/README.source

@@ -1,3 +1,9 @@
+Checklist for uploaders
+=======================
+
+There is a checklist in the kernel-team.git repository; see
+<https://salsa.debian.org/kernel-team/kernel-team/-/blob/master/docs/kernel-upload-checklist.md>.
+
 Updating the upstream source
 ============================
 

debian/changelog

@@ -10,6 +10,7 @@ linux (4.19.98-2) UNRELEASED; urgency=medium
     - This patch allowed remotely disabling lockdown using usbip
     - Lockdown can be disabled by running "mokutil --disable-validation",
       rebooting, and confirming the change when prompted
+  * debian/README.source: Refer to upload checklist in kernel-team.git
 
   [ YunQiang Su ]
   * [mips*] enable CONFIG_MIPS_O32_FP64_SUPPORT.