[OE-core] [PATCH] image.bbclass: allow override of image LICENSE

[Pascal Bach]

Currently the LICENSE of every image is hard set to MIT.
This allows this to be overriden in derived images.

Signed-off-by: Pascal Bach <pascal.bach at siemens.com>
---
 meta/classes/image.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 405fd73..0fc8752 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -9,7 +9,7 @@ TOOLCHAIN_TARGET_TASK += "${PACKAGE_INSTALL}"
 TOOLCHAIN_TARGET_TASK_ATTEMPTONLY += "${PACKAGE_INSTALL_ATTEMPTONLY}"
 POPULATE_SDK_POST_TARGET_COMMAND += "rootfs_sysroot_relativelinks; "
 
-LICENSE = "MIT"
+LICENSE ?= "MIT"
 PACKAGES = ""
 DEPENDS += "${MLPREFIX}qemuwrapper-cross depmodwrapper-cross"
 RDEPENDS += "${PACKAGE_INSTALL} ${LINGUAS_INSTALL}"
-- 
2.1.4