Automatically detect /datadata from recovery.fstab. Remove BOARD_HAS_DATADATA.

Change-Id: I28d3c7a6beaacd77c67c5af0ae3464acfd2572e3
diff --git a/Android.mk b/Android.mk
index e16f226..6d94c17 100644
--- a/Android.mk
+++ b/Android.mk
@@ -30,7 +30,7 @@
 RECOVERY_API_VERSION := 2
 LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)
 
-BOARD_RECOVERY_DEFINES := BOARD_HAS_NO_SELECT_BUTTON BOARD_SDCARD_DEVICE_PRIMARY BOARD_SDCARD_DEVICE_SECONDARY BOARD_SDEXT_DEVICE BOARD_SDEXT_FILESYSTEM BOARD_DATA_DEVICE BOARD_DATA_FILESYSTEM BOARD_DATADATA_DEVICE BOARD_DATADATA_FILESYSTEM BOARD_CACHE_DEVICE BOARD_CACHE_FILESYSTEM BOARD_SYSTEM_DEVICE BOARD_SYSTEM_FILESYSTEM BOARD_HAS_DATADATA BOARD_DATA_FILESYSTEM_OPTIONS BOARD_DATADATA_FILESYSTEM_OPTIONS BOARD_CACHE_FILESYSTEM_OPTIONS BOARD_SYSTEM_FILESYSTEM_OPTIONS BOARD_HAS_MTD_CACHE BOARD_USES_BMLUTILS BOARD_USES_MMCUTILS BOARD_HAS_SMALL_RECOVERY BOARD_LDPI_RECOVERY BOARD_RECOVERY_IGNORE_BOOTABLES BOARD_HAS_SDCARD_INTERNAL BOARD_SDCARD_DEVICE_INTERNAL BOARD_HIJACK_RECOVERY_PATH
+BOARD_RECOVERY_DEFINES := BOARD_HAS_NO_SELECT_BUTTON BOARD_HAS_MTD_CACHE BOARD_HAS_SMALL_RECOVERY BOARD_LDPI_RECOVERY BOARD_RECOVERY_IGNORE_BOOTABLES
 
 $(foreach board_define,$(BOARD_RECOVERY_DEFINES), \
   $(if $($(board_define)), \