scsi: lpfc: use hdwq assigned cpu for allocation

scsi: lpfc: use hdwq assigned cpu for allocation

[ Upstream commit 4583a4f66b323c6e4d774be2649e83a4e7c7b78c ]

Looking at the recent conversion from smp_processor_id() to
raw_smp_processor_id(), realized that the allocation should be based on the
cpu the hdwq is bound to, not the executing cpu.

Revise to pull cpu number from the hdwq

Fixes: 765ab6cdac3b ("scsi: lpfc: Fix a kernel warning triggered by lpfc_get_sgl_per_hdwq()")
Link: https://lore.kernel.org/r/20191116003847.6141-1-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>