gst-plugins-gl: allow empty packages
The patch to Poky (git://git.yoctoproject.org/poky) commit
bd73fa69f532ca3d81ec2452a79e7a333b3543c2 titled: "recipes: Fix
ALLOW_EMPTY with no package specified" breaks this recipe. This patch
specifies the allowed empty packages.
(From OE-Core rev:
375ed2eaef10dd7d8f46badca6d779708724e5f6)
Signed-off-by: Jeremy Stashluk <jstashluk@dekaresearch.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>