FROMGIT: scsi: ufs-qcom: Remove testbus dump in ufs_qcom_dump_dbg_regs

Dumping testbus registers outputs a lot of information and can cause
stability issues. Remove the dump code.

Link: https://lore.kernel.org/r/1596975355-39813-4-git-send-email-cang@codeaurora.org


Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 165343119
(cherry picked from commit 423cc66b5152a309e99a3693d856157a5e4a8d39
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git

 5.10/scsi-queue)
Change-Id: I8f7eee4381d15e686d716ab08d24e615df2d08b8
Signed-off-by: Can Guo <cang@codeaurora.org>