cwm: Allow device-specific recovery modules

Provide a means to include device-specific recovery modules that need to
be built (i.e. not pre-built). A list of recovery modules can be
specified by a device with:

TARGET_RECOVERY_DEVICE_MODULES := rec_mod_one rec_mod_two

Change-Id: Id28a41185b332a074cd15bd5c63e26bf284663d5

Android.mk

@@ -177,6 +177,10 @@ LOCAL_ADDITIONAL_DEPENDENCIES += \
 
 LOCAL_ADDITIONAL_DEPENDENCIES += $(RECOVERY_SYMLINKS) $(RECOVERY_BUSYBOX_SYMLINKS)
 
+ifneq ($(TARGET_RECOVERY_DEVICE_MODULES),)
+    LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_RECOVERY_DEVICE_MODULES)
+endif
+
 include $(BUILD_EXECUTABLE)
 
 $(RECOVERY_SYMLINKS): RECOVERY_BINARY := $(LOCAL_MODULE)