Allow SHA1 hash for bitbake branch
Allow SHA1 hash for bitbake branch

Allow the bitbake branch to be a SHA1 hash as well as a branch/tag.

Signed-off-by: Paul Eggleton <737d4dae46a541673d7bf4e0d5b32714b16528d8@linux.intel.com>

bartosh/layerindex-web,bartosh/layerindex-web,bartosh/layerindex-web