builddeb: add arm64 in the supported architectures

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 152d4d2..ae7e607 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -42,6 +42,8 @@
 		debarch=hppa ;;
 	mips*)
 		debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
+	arm64)
+		debarch=arm64 ;;
 	arm*)
 		debarch=arm$(grep -q CONFIG_AEABI=y $KCONFIG_CONFIG && echo el || true) ;;
 	*)