msm: mdss: fix the bug in plane1 start address calculation

In the start address calculation, plane0 address is updated
twice instead of plane1. This is rectified along with the
debug print msg for the destination buffer stride value.

Change-Id: I4d9465df0ce92aa9bd03cc70b9e979a22807ff5a
Signed-off-by: Sravanthi Kollukuduru <skolluku@codeaurora.org>