powerpc: t1024: Fix SRDS_MAX_LANES value

T1023 and T1024 have 4 SerDes lanes. Fix macro SRDS_MAX_LANES
and use this macro instead of hard-coded value in t1024_serdes.c.

Signed-off-by: Paulo Zaneti <paulo.zaneti@datacom.ind.br>
Signed-off-by: York Sun <york.sun@nxp.com>

arch/powerpc/cpu/mpc85xx/t1024_serdes.c

@@ -10,7 +10,7 @@
 #include <asm/io.h>
 
 
-static u8 serdes_cfg_tbl[][4] = {
+static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
 	[0x40] = {PCIE1, PCIE1, PCIE1, PCIE1},
 	[0xD5] = {QSGMII_FM1_A, PCIE3, PCIE2, PCIE1},
 	[0xD6] = {QSGMII_FM1_A, PCIE3, PCIE2, SATA1},
@@ -45,7 +45,7 @@ int is_serdes_prtcl_valid(int serdes, u32 prtcl)
 	if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
 		return 0;
 
-	for (i = 0; i < 4; i++) {
+	for (i = 0; i < SRDS_MAX_LANES; i++) {
 		if (serdes_cfg_tbl[prtcl][i] != NONE)
 			return 1;
 	}

arch/powerpc/include/asm/immap_85xx.h

@@ -2523,7 +2523,11 @@ typedef struct ccsr_gur {
 
 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
 #define MAX_SERDES 4
+#if defined(CONFIG_ARCH_T1024) || defined(CONFIG_ARCH_T1023)
+#define SRDS_MAX_LANES 4
+#else
 #define SRDS_MAX_LANES 8
+#endif
 #define SRDS_MAX_BANK 2
 typedef struct serdes_corenet {
 	struct {