scsi: mvsas: Fix typos in SAS/SATA VSP register comments

Correct spelling mistakes of the SAS/SATA Vendor Specific Port Registers.
Fixed "Vednor" to "Vendor" in VSR_PHY_VS0 and VSR_PHY_VS1 comments.  This
is a non-functional change aimed at improving code clarity.

Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Link: https://lore.kernel.org/r/20250517192422.310489-1-alok.a.tiwari@oracle.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>