m8: inherit m8-specific vendor tree

Change-Id: Id9272e17ff0bb06935b3aa1a05acb581d2503657
m8: commonize props

Change-Id: Id2b02d60167057e9d5f177c9fa1ec859fedaedd0
m8: commonize prop lists

Change-Id: If050a44a11c850c4dfe2d9c8837efa7ab807c3a7