Qualcomm ARM Based SoC Updates for v4.2

* Added Subsystem Power Manager (SPM) driver
* Split out 32-bit specific SCM code
firmware: qcom: scm: Split out 32-bit specific SCM code

Split out the 32-bit SCM implementation into its own file to prep for
supporting a 64-bit/ARM64 implementation as well.  We create a simple shim
to ensure both versions conform to the same interface.

Signed-off-by: Kumar Gala <galak@codeaurora.org>
4 files changed