rgb in meta-oe has been removed in favour of
oe-core which requires a PR bump so feeds
keep working
(From OE-Core rev: 00c2e80e8cae2db6e2c34b1291c615f7f146b070)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>