Initialize RHBA and RPA attributes.

Link: https://lore.kernel.org/r/20210603121623.10084-2-jhasan@marvell.comReviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>