board: recovery: If flipping screen, also reverse X/Y touch events

This change should allow expected recovery orientation after
"Abnormal panel mounting is fixed in kernel now". It's not a
great solution, involving post-processing both FB and TS info,
but it's acceptable in recovery, and much better than in SF.

Change-Id: I7e17a13979c670b831d0522d9441f77740fdc6c8

BoardConfig.mk

@@ -44,4 +44,6 @@ RECOVERY_GRAPHICS_USE_LINELENGTH := true
 RECOVERY_GRAPHICS_FORCE_USE_LINELENGTH := true
 LANDSCAPE_RESOLUTION := 1280x800
 #TW_DEFAULT_ROTATION := 180
-#BOARD_HAS_FLIPPED_SCREEN := true
+BOARD_HAS_FLIPPED_SCREEN := true
+RECOVERY_TOUCHSCREEN_FLIP_X := true
+RECOVERY_TOUCHSCREEN_FLIP_Y := true