mfd: rtsx: Remove redundant code

In function rtsx_pci_add_sg_tbl, the statement "ptr++" is useless.
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Acked-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/rtsx_pcr.c

@@ -325,7 +325,6 @@ static void rtsx_pci_add_sg_tbl(struct rtsx_pcr *pcr,
 	val = ((u64)addr << 32) | ((u64)len << 12) | option;
 
 	put_unaligned_le64(val, ptr);
-	ptr++;
 	pcr->sgi++;
 }