fix build - specific TARGET_ARCH

Change-Id: I2f5ce90a1cd5aac89968edea43f5e2e46ff634ba
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 6969855..785896c 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -24,6 +24,7 @@
 TARGET_CPU_ABI := armeabi-v7a
 TARGET_CPU_ABI2 := armeabi
 TARGET_CPU_SMP := true
+TARGET_ARCH := arm
 TARGET_ARCH_VARIANT := armv7-a-neon
 ARCH_ARM_HAVE_TLS_REGISTER := true