linux-yocto: config cleanup and streamlining
This incorporates the following meta branch commits:
353d43d fri2: cleanup bsp config
2a605e2 sugarbay: cleanup bsp config
47b76ed fishriver: cleanup bsp config
ad6edab jasperforest: cleanup bsp config
07f7e89 emenlow: cleanup bsp config
d32a651 crownbay: cleanup bsp config
ad2d621 meta: add vesafb feature
913facf features/drm-psb: add related config options
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
