xserver-xorg: drop now unused xserver-xorg append

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
minnow: further emgd removal bits

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Revert "mel: replace suffix -emgd with -gl for MinnowBoard"

The meta-intel emgd bits, including the bbclass that used this variable, were
removed.

This reverts commit ab4a7b0010ca71fe90e2aef81ad6247a980957a5.
mel: drop now unnecessary emgd codec bits

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Merge pull request #333 from kergoth/layer-updates

Adjust for upstream layer updates