d3-cam-WIP: cleanup cam driver

Change-Id: Id35b0f18d112fd12bf9799004cc9d50c877c13c7
solana: leave the 32mb ISS mem free for now

Change-Id: I3dd71005fc375e7bb038c642b86c12a1a914e625
akm8975: add ifdef for SOLANA, was breaking others

Change-Id: I82c71338dc22fdbeec23873df3aad7b02bbf7c49