msm: camera: Driver changes for new csiphy on 8940

8940 uses a new version of csiphy. Adding new
configuration file and driver changes.

CRs-Fixed: 1022518
Change-Id: I5545d1b772ed8e2d6acc3dcd1c71ab6e9adf6baf
Signed-off-by: Shankar Ravi <rshankar@codeaurora.org>