[msm8960]: Initial support for MSM8960.

What is working in this patch:
- Fastboot flash boot.img on to eMMC
- Fastboot boot
- Boot boot.img from eMMC

Not in this patch:
- Clock settings are not done in LK. Expects
  startup scripts to setup the required
  clocks.

Change-Id: I230bb92c6b214976a84a79a7f770f190e822f647
16 files changed