Add debug print functions which will print messages based on logging_level
bits enabled.

Link: https://lore.kernel.org/r/20211220141159.16117-2-sreekanth.reddy@broadcom.comSigned-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>