FROMGIT: scsi: ufs: Print host regs in IRQ handler when AH8 error happens

Dump registers and states prior to leaving IRQ handler when an AH8 error
occurs.

Link: https://lore.kernel.org/r/1606910644-21185-4-git-send-email-cang@codeaurora.org


Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bao D. Nguyen <nguyenb@codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 174590161
Change-Id: I938c89675f8aea312ca12712d40d8761355575fa
(cherry picked from commit ace3804b
 git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git

 5.11/scsi-staging)
Signed-off-by: Can Guo <cang@codeaurora.org>