Add support for armhf

Change-Id: I79450a3d22d00974c4b27c069bd14afa1a69a630
diff --git a/debian/lintian-overrides b/debian/lintian-overrides
index 70a92b4..74dcd65 100644
--- a/debian/lintian-overrides
+++ b/debian/lintian-overrides
@@ -1 +1,2 @@
 excelsior-wlan: new-package-should-close-itp-bug
+excelsior-wlan: binary-from-other-architecture *
diff --git a/debian/rules b/debian/rules
index 230887b..e7106d3 100755
--- a/debian/rules
+++ b/debian/rules
@@ -16,7 +16,6 @@
 
 LDFLAGS := -z relro
 
-
 MAKEOPTS := MTK_COMBO_CHIP=MT6632 \
 			CONFIG_MTK_WIFI_ONLY=m \
 			CONFIG_MTK_COMBO=m \
@@ -32,7 +31,7 @@
 	true
 
 override_dh_auto_build:
-	$(MAKE) ARCH=$(DEB_TARGET_ARCH) CROSS_COMPILE=$(DEB_HOST_GNU_TYPE)- -C $(KERNELSRC) $(MAKEOPTS) M=$(PWD)
+	$(MAKE) ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -C $(KERNELSRC) $(MAKEOPTS) M=$(PWD)
 
 override_dh_auto_install:
 	install -d $(MODULESDIR)