oeqa/runtime/parselogs: modified drm error in common errors list

Changed the following line from:

  [drm] Cannot find any crtc or sizes - going 1024x768  >  [drm] Cannot find any crtc or sizes

This will expand the coverage of the failure to also cover the case when fallback size is not set.

Signed-off-by: Teoh Jay Shen <jay.shen.teoh@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>