scsi: ufs: tc-dwc-g210: make arrays static, reduces object code size

Don't populate const arrays on the stack, instead make them static.
Makes the object code smaller by over 740 bytes.

Before:
   text	   data	    bss	    dec	    hex	filename
   3840	    208	      0	   4048	    fd0	drivers/scsi/ufs/tc-dwc-g210.o

After:
   text	   data	    bss	    dec	    hex	filename
   2679	    624	      0	   3303	    ce7	drivers/scsi/ufs/tc-dwc-g210.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>