FROMGIT: scsi: ufs: Do not free irq in suspend

Since ufshcd irq resource is allocated with the device resource management
aware IRQ request implementation, we don't really need to free up irq
during suspend, disabling it during suspend and reenabling it during resume
should be good enough.

Bug: 143632303
(cherry picked from commit 8709c1f68536e256668812788af5b2bb027f49c3
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git 5.6/scsi-queue)
Change-Id: I1a0534f546fae72b0d77e0bd7e62c1f8e417fd35
Link: https://lore.kernel.org/r/0101016ed3d69793-22918f99-23bf-495d-8a36-a9c108d1cbce-000000@us-west-2.amazonses.com


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