ddr: fsl: Merge macro CONFIG_NUM_DDR_CONTROLLERS and CONFIG_SYS_NUM_DDR_CTRLS

These two macros are used for the same thing, the total number of DDR
controllers for a given SoC. Use SYS_NUM_DDR_CTRLS in Kconfig and
merge existing usage.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index 479184f..159c22e 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -40,35 +40,35 @@
 #if defined(SPD_EEPROM_ADDRESS) || \
     defined(SPD_EEPROM_ADDRESS1) || defined(SPD_EEPROM_ADDRESS2) || \
     defined(SPD_EEPROM_ADDRESS3) || defined(SPD_EEPROM_ADDRESS4)
-#if (CONFIG_NUM_DDR_CONTROLLERS == 1) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#if (CONFIG_SYS_NUM_DDR_CTLRS == 1) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS,
 };
-#elif (CONFIG_NUM_DDR_CONTROLLERS == 1) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#elif (CONFIG_SYS_NUM_DDR_CTLRS == 1) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS1,	/* controller 1 */
 	[0][1] = SPD_EEPROM_ADDRESS2,	/* controller 1 */
 };
-#elif (CONFIG_NUM_DDR_CONTROLLERS == 2) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#elif (CONFIG_SYS_NUM_DDR_CTLRS == 2) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS1,	/* controller 1 */
 	[1][0] = SPD_EEPROM_ADDRESS2,	/* controller 2 */
 };
-#elif (CONFIG_NUM_DDR_CONTROLLERS == 2) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#elif (CONFIG_SYS_NUM_DDR_CTLRS == 2) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS1,	/* controller 1 */
 	[0][1] = SPD_EEPROM_ADDRESS2,	/* controller 1 */
 	[1][0] = SPD_EEPROM_ADDRESS3,	/* controller 2 */
 	[1][1] = SPD_EEPROM_ADDRESS4,	/* controller 2 */
 };
-#elif (CONFIG_NUM_DDR_CONTROLLERS == 3) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#elif (CONFIG_SYS_NUM_DDR_CTLRS == 3) && (CONFIG_DIMM_SLOTS_PER_CTLR == 1)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS1,	/* controller 1 */
 	[1][0] = SPD_EEPROM_ADDRESS2,	/* controller 2 */
 	[2][0] = SPD_EEPROM_ADDRESS3,	/* controller 3 */
 };
-#elif (CONFIG_NUM_DDR_CONTROLLERS == 3) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
-u8 spd_i2c_addr[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
+#elif (CONFIG_SYS_NUM_DDR_CTLRS == 3) && (CONFIG_DIMM_SLOTS_PER_CTLR == 2)
+u8 spd_i2c_addr[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR] = {
 	[0][0] = SPD_EEPROM_ADDRESS1,	/* controller 1 */
 	[0][1] = SPD_EEPROM_ADDRESS2,	/* controller 1 */
 	[1][0] = SPD_EEPROM_ADDRESS3,	/* controller 2 */
@@ -146,7 +146,7 @@
 	unsigned int i;
 	unsigned int i2c_address = 0;
 
-	if (ctrl_num >= CONFIG_NUM_DDR_CONTROLLERS) {
+	if (ctrl_num >= CONFIG_SYS_NUM_DDR_CTLRS) {
 		printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num);
 		return;
 	}
@@ -430,7 +430,7 @@
 		assert_reset = pinfo->board_need_mem_reset();
 
 	/* data bus width capacity adjust shift amount */
-	unsigned int dbw_capacity_adjust[CONFIG_NUM_DDR_CONTROLLERS];
+	unsigned int dbw_capacity_adjust[CONFIG_SYS_NUM_DDR_CTLRS];
 
 	for (i = first_ctrl; i <= last_ctrl; i++)
 		dbw_capacity_adjust[i] = 0;
@@ -720,7 +720,7 @@
 						&pinfo->common_timing_params[i],
 						law_memctl, i);
 				}
-#if CONFIG_NUM_DDR_CONTROLLERS > 3
+#if CONFIG_SYS_NUM_DDR_CTLRS > 3
 				else if (i == 2) {
 					law_memctl = LAW_TRGT_IF_DDR_INTLV_34;
 					fsl_ddr_set_lawbar(