arm/dt: msm8226: Add optional pvs_efuse information

Due to process variation, not all hw may run at the same maximum speed.
Read the max supported speed from efuse.

Change-Id: Ibd83593cc055479c2d5a7e68e64d6d63cdc2cc2b
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>stuff
4 files changed