Add mini_defconfig for fp4

Change-Id: If99b0b4716680c5d51d158f5ad1081ef6c88b75f
diff --git a/kernel_definitions.mk b/kernel_definitions.mk
index 0cf59c5..94eb284 100755
--- a/kernel_definitions.mk
+++ b/kernel_definitions.mk
@@ -7,6 +7,10 @@
      KERNEL_DEFCONFIG := vendor/$(TARGET_PRODUCT)_defconfig
 endif
 
+ifeq ($(TARGET_BUILD_MMITEST),true)
+     KERNEL_DEFCONFIG := vendor/$(TARGET_PRODUCT)-mini_defconfig
+endif
+
 TARGET_KERNEL := msm-$(TARGET_KERNEL_VERSION)
 ifeq ($(TARGET_KERNEL_SOURCE),)
      TARGET_KERNEL_SOURCE := kernel/$(TARGET_KERNEL)