sh: Update lowlevel_init.S of MigoR

Fix data size.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

board/renesas/ap325rxa/lowlevel_init.S

@@ -119,15 +119,15 @@ lowlevel_init:
 
 DRVCRA_A:	.long	DRVCRA
 DRVCRB_A:	.long	DRVCRB
-DRVCRA_D:	.long	0x4555
-DRVCRB_D:	.long	0x0005
+DRVCRA_D:	.word	0x4555
+DRVCRB_D:	.word	0x0005
 
 RWTCSR_A:	.long	RWTCSR
 RWTCNT_A:	.long	RWTCNT
 FRQCR_A:	.long	FRQCR
-RWTCSR_D1:	.long	0xa507
-RWTCSR_D2:	.long	0xa504
-RWTCNT_D:	.long	0x5a00
+RWTCSR_D1:	.word	0xa507
+RWTCSR_D2:	.word	0xa504
+RWTCNT_D:	.word	0x5a00
 FRQCR_D:	.long	0x0b04474a
 
 SBSC_SDCR_A:	.long	SBSC_SDCR