ARM: dts: msm: Update frequency levels for 8939 Speed-bin 0

Select 1.5Ghz as max frequency level for 8939 Speed-bin 0 parts.
Also, update the CPR regulator corner mappings for Speed-bin 0
parts.

CRs-Fixed: 866385
Change-Id: I9874ac2379e5154602aa5a31782bbb083fdc7cf9
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
Signed-off-by: Bharat Pawar <bpawar@codeaurora.org>
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>