ARM: dts: msm: update corner switch delay time for msmcobalt v2

Update the CPR corner switch delay time for the CPRh device
on msmcobalt v2 according to the latest hardware guidelines.

CRs-Fixed: 1064318
Change-Id: I08a385b360d9d0184fd7339194630d8f75a6676f
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>