Revert "Switch Ryu to HWC2to1Adapter"

This reverts commit db2003eaa9a73e5ba797af504d4b57baf372f480.

Change-Id: Ie925b143bcf55ba7c2480acb0f858b297e3d00c8
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 8fd21b2..2b9d88c 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -51,6 +51,8 @@
 PRESENT_TIME_OFFSET_FROM_VSYNC_NS := 0
 VSYNC_EVENT_PHASE_OFFSET_NS := 7500000
 SF_VSYNC_EVENT_PHASE_OFFSET_NS := 5000000
+TARGET_USES_HWC2 := true
+TARGET_USES_HWC2ON1ADAPTER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 3758096384