m7spr: remove unneeded overlay definition

Change-Id: I422e2d69245597cb7b2d498377f6083b64b5253c
Use proper case for device properties

Change-Id: I99ad029aca079fd4324bb69d6e8fe19373c90c88
Update fingerprint && use proper device configs

Change-Id: I7ef3e2616847136daaeeaabe9d120c2234d2d81b
Add carbon.dependencies

Change-Id: Ieabcbfa7fc24854345e34957a4337492303a80b6