Treat denver like cortex-a15.

See also build/core/combo/arch/arm/armv7-a-neon.mk.

Change-Id: Ie18e1f133f56a9f7da80e304052c92edad933a31
diff --git a/core/config.mk b/core/config.mk
index 322f258..2d387ef 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -522,7 +522,7 @@
   endif
 endif
 
-ifneq (,$(filter $(DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait))
+ifneq (,$(filter $(DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait denver))
   DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := div
 endif