moorefield_hdmi: change INTEL_HWC_MOOREFIELD to _HDMI [DO NOT MERGE]

Change INTEL_HWC_MOOREFIELD to INTEL_HWC_MOOREFIELD_HDMI
since there is now a non-HDMI HWC which is using
INTEL_HWC_MOOREFIELD.

Change-Id: Ice1bce3ed3f4eb95e3051f468619cfd1311e1373
Signed-off-by: Patrick Tjin <pattjin@google.com>
(cherry picked from commit ccd45aee04a3a41d3853f297de08e9b36736b9df)
diff --git a/moorefield_hdmi/Android.mk b/moorefield_hdmi/Android.mk
index 4091472..b75d32d 100644
--- a/moorefield_hdmi/Android.mk
+++ b/moorefield_hdmi/Android.mk
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ifeq ($(INTEL_HWC_MOOREFIELD),true)
+ifeq ($(INTEL_HWC_MOOREFIELD_HDMI),true)
 
 LOCAL_PATH := $(call my-dir)