Add SDK 10 and 11 to list of supported Mac SDKs

Change-Id: Id558ef72e03626e3e577bc1a4f5ab85d6fe8efc5
diff --git a/core/combo/mac_version.mk b/core/combo/mac_version.mk
index 6defba7..90cecea 100644
--- a/core/combo/mac_version.mk
+++ b/core/combo/mac_version.mk
@@ -9,7 +9,7 @@
 
 build_mac_version := $(shell sw_vers -productVersion)
 
-mac_sdk_versions_supported :=  10.6 10.7 10.8 10.9
+mac_sdk_versions_supported :=  10.6 10.7 10.8 10.9 10.10 10.11
 ifneq ($(strip $(MAC_SDK_VERSION)),)
 mac_sdk_version := $(MAC_SDK_VERSION)
 ifeq ($(filter $(mac_sdk_version),$(mac_sdk_versions_supported)),)