Configure excelsior to build in armhf mode

Change-Id: I5d3e7867e482a0909cb942b6e461d82d0d5d13ae
diff --git a/arch.mk b/arch.mk
index 77584ac..517cd2f 100644
--- a/arch.mk
+++ b/arch.mk
@@ -22,3 +22,4 @@
 ROOTFS_SIZE_MB := 2560
 
 BOARD_NAME := excelsior
+USERSPACE_ARCH := armhf
diff --git a/flash.sh b/flash.sh
index 88368c5..6a2b5e0 100755
--- a/flash.sh
+++ b/flash.sh
@@ -24,7 +24,7 @@
 DOWNLOAD_AGENT_CONFIG=${FLASHTOOLS_DIR}/dl_addr.ini
 DOWNLOAD_AGENT_CONFIG_PRODUCT_OUT=${PRODUCT_OUT}/dl_addr.ini
 FASTBOOT_TOOL=$(which fastboot)
-USERSPACE_ARCH=arm64
+USERSPACE_ARCH=armhf
 
 # Check for fastboot tool
 if [[ -z "${FASTBOOT_TOOL}" ]]; then