mtd: gpmi: change pr_debug to dev_dbg
mtd: gpmi: change pr_debug to dev_dbg

change all the pr_debug to dev_dbg.

Signed-off-by: Huang Shijie <3c7352d1cf9fbb1bd8706c56d582c0ade3f5dabf@freescale.com>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs