Adding TARGET_CPU_VARIANT to config file.

Bug: 8005082
Change-Id: I7506a855b8e436fa4bafa2b70a0cb28663d40d56
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 5dc93c5..f1612f1 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -21,6 +21,7 @@
 TARGET_CPU_SMP := true
 TARGET_ARCH := arm
 TARGET_ARCH_VARIANT := armv7-a-neon
+TARGET_CPU_VARIANT := krait
 ARCH_ARM_HAVE_TLS_REGISTER := true
 
 TARGET_NO_BOOTLOADER := true