latest

src/flash/nor/mspm0.c:Update format of retval usage

There was a mix of how retval was utilized, this update
is to conform them to one method that is also more
readable.

Change-Id: I8a6d5ee12d76f6c024f966298254ff7f57249ff2
Signed-off-by: Henry Nguyen <h-nguyen8@ti.com>