fsl_*_serdes.c: Modify memset call in serdes_init

GCC 5.x does not like sizeof(array_variable) and errors out.  Change these
calls to be instead sizeof(u8) (as that's what serdes_prtcl_map is) *
SERDES_PRCTL_COUNT (the number of array elements).

Cc: York Sun <yorksun@freescale.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <yorksun@freescale.com>

arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c

@@ -86,7 +86,7 @@ void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
 	u32 cfg;
 	int lane;
 
-	memset(serdes_prtcl_map, 0, sizeof(serdes_prtcl_map));
+	memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
 
 	cfg = gur_in32(&gur->rcwsr[4]) & sd_prctl_mask;
 	cfg >>= sd_prctl_shift;

arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c

@@ -79,7 +79,7 @@ void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
 	u32 cfg;
 	int lane;
 
-	memset(serdes_prtcl_map, 0, sizeof(serdes_prtcl_map));
+	memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
 
 	cfg = gur_in32(&gur->rcwsr[28]) & sd_prctl_mask;
 	cfg >>= sd_prctl_shift;

arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c

@@ -184,7 +184,7 @@ void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
 	u32 cfg;
 	int lane;
 
-	memset(serdes_prtcl_map, 0, sizeof(serdes_prtcl_map));
+	memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
 #ifdef CONFIG_SYS_FSL_ERRATUM_A007186
 	struct ccsr_sfp_regs  __iomem *sfp_regs =
 			(struct ccsr_sfp_regs __iomem *)(CONFIG_SYS_SFP_ADDR);