image_types.bbclass: add variable for Hob

Add a new variable "IMAGE_EXTENSION_live" for Hob to map image type
"live" with real image file extension names.

This is for Hob to remove the hard-coded maps.

Signed-off-by: Kang Kai <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index d286eeaea932839ef170fbc06eb3828b834544a6..6f8514ff5b6ec91045f1fefbc7ec37e04ebf7381 100644 (file)
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -247,3 +247,6 @@ RUNNABLE_IMAGE_TYPES ?= "ext2 ext3"
 RUNNABLE_MACHINE_PATTERNS ?= "qemu"
 
 DEPLOYABLE_IMAGE_TYPES ?= "hddimg iso" 
+
+# Use IMAGE_EXTENSION_xxx to map image type 'xxx' with real image file extension name(s) for Hob
+IMAGE_EXTENSION_live = "hddimg iso"