Fix typo

Change-Id: Ie5c3d2720445bd08388ded30905cd28e07722ea0
diff --git a/device.mk b/device.mk
index 104ca37..a2daf31 100644
--- a/device.mk
+++ b/device.mk
@@ -39,7 +39,7 @@
 
 PRODUCT_PACKAGES += audio.primary.vexpress
 
-$(call inherit-product-if-exists, external/linaro-android-kernel-test/produc.mk)
+$(call inherit-product-if-exists, external/linaro-android-kernel-test/product.mk)
 
 
 $(call inherit-product, frameworks/native/build/tablet-dalvik-heap.mk)