[ARM64] Upgrade kernel to 4.19.x

patches/arm64/elide-post-dash-cmdline-from-proc.patch

@@ -1,8 +1,7 @@
 diff --git a/init/main.c b/init/main.c
-index 2858be7..83fa41b 100644
 --- a/init/main.c
 +++ b/init/main.c
-@@ -519,9 +519,12 @@ asmlinkage __visible void __init start_kernel(void)
+@@ -573,9 +573,12 @@ asmlinkage __visible void __init start_kernel(void)
  				  static_command_line, __start___param,
  				  __stop___param - __start___param,
  				  -1, -1, NULL, &unknown_bootoption);

patches/arm64/kbuild-buildtar-add-arm64-support.patch

@@ -1,19 +0,0 @@
-diff --git a/scripts/package/buildtar b/scripts/package/buildtar
-index 55887ac84ee4..d624a07a4e77 100755
---- a/scripts/package/buildtar
-+++ b/scripts/package/buildtar
-@@ -105,6 +105,14 @@ case "${ARCH}" in
- 			cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
- 		fi
- 		;;
-+	arm64)
-+		for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo ; do
-+			if [ -f "${objtree}/arch/arm64/boot/${i}" ] ; then
-+				cp -v -- "${objtree}/arch/arm64/boot/${i}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
-+				break
-+			fi
-+		done
-+		;;
- 	*)
- 		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${KERNELRELEASE}"
- 		echo "" >&2