msm: cpr-regulator: add a new vdd-mx voltage selection method

Add support to choose VDD_MX voltage according to VDD_APC fuse corner.

CRs-Fixed: 607899
Change-Id: If3d5dd4c919d50736c4eaa5449f835b2e8f38d3f
Signed-off-by: Ke Liu <keliu@codeaurora.org>
3 files changed