ARM: dts: msm: update VDD_GFX CPR settings for msmcobalt v2

Update VDD_GFX CPR voltage ceiling, open-loop and closed-loop
adjustments, and the CPR fused closed-loop adjustment voltage map
for msmcobalt v2 to match the latest hardware characterization.

CRs-Fixed: 1080409
Change-Id: I0c9a921b684109f5c6e719eb1fb58667377f2c89
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>