board: ti: k3: Remove need for CFG_SYS_SDRAM_BASE

The base address of extended DDR does not change across the K3 family.
Setting this per SoC is not needed. Remove this definition to help
remove the last bits from K3 include/configs/*.h files.

Signed-off-by: Andrew Davis <afd@ti.com>
diff --git a/board/ti/am65x/evm.c b/board/ti/am65x/evm.c
index 975eb17..df20902 100644
--- a/board/ti/am65x/evm.c
+++ b/board/ti/am65x/evm.c
@@ -73,13 +73,13 @@
 int dram_init_banksize(void)
 {
 	/* Bank 0 declares the memory available in the DDR low region */
-	gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].start = 0x80000000;
 	gd->bd->bi_dram[0].size = 0x80000000;
 	gd->ram_size = 0x80000000;
 
 #ifdef CONFIG_PHYS_64BIT
 	/* Bank 1 declares the memory available in the DDR high region */
-	gd->bd->bi_dram[1].start = CFG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].start = 0x880000000;
 	gd->bd->bi_dram[1].size = 0x80000000;
 	gd->ram_size = 0x100000000;
 #endif
diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c
index 0768385..c541880 100644
--- a/board/ti/j721e/evm.c
+++ b/board/ti/j721e/evm.c
@@ -61,13 +61,13 @@
 int dram_init_banksize(void)
 {
 	/* Bank 0 declares the memory available in the DDR low region */
-	gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].start = 0x80000000;
 	gd->bd->bi_dram[0].size = 0x80000000;
 	gd->ram_size = 0x80000000;
 
 #ifdef CONFIG_PHYS_64BIT
 	/* Bank 1 declares the memory available in the DDR high region */
-	gd->bd->bi_dram[1].start = CFG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].start = 0x880000000;
 	gd->bd->bi_dram[1].size = 0x80000000;
 	gd->ram_size = 0x100000000;
 #endif
diff --git a/board/ti/j721s2/evm.c b/board/ti/j721s2/evm.c
index db71739..1220cd8 100644
--- a/board/ti/j721s2/evm.c
+++ b/board/ti/j721s2/evm.c
@@ -56,13 +56,13 @@
 int dram_init_banksize(void)
 {
 	/* Bank 0 declares the memory available in the DDR low region */
-	gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].start = 0x80000000;
 	gd->bd->bi_dram[0].size = 0x7fffffff;
 	gd->ram_size = 0x80000000;
 
 #ifdef CONFIG_PHYS_64BIT
 	/* Bank 1 declares the memory available in the DDR high region */
-	gd->bd->bi_dram[1].start = CFG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].start = 0x880000000;
 	gd->bd->bi_dram[1].size = 0x37fffffff;
 	gd->ram_size = 0x400000000;
 #endif
diff --git a/include/configs/am62ax_evm.h b/include/configs/am62ax_evm.h
index 57003f1..496d1c2 100644
--- a/include/configs/am62ax_evm.h
+++ b/include/configs/am62ax_evm.h
@@ -12,10 +12,6 @@
 #include <env/ti/mmc.h>
 #include <env/ti/k3_dfu.h>
 
-/* DDR Configuration */
-#define CFG_SYS_SDRAM_BASE1		0x880000000
-
-
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>
 
diff --git a/include/configs/am65x_evm.h b/include/configs/am65x_evm.h
index 811dc0f..64458eb 100644
--- a/include/configs/am65x_evm.h
+++ b/include/configs/am65x_evm.h
@@ -14,9 +14,6 @@
 #include <env/ti/k3_rproc.h>
 #include <env/ti/k3_dfu.h>
 
-/* DDR Configuration */
-#define CFG_SYS_SDRAM_BASE1		0x880000000
-
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>
 
diff --git a/include/configs/j721e_evm.h b/include/configs/j721e_evm.h
index ea39d1b..c26438c 100644
--- a/include/configs/j721e_evm.h
+++ b/include/configs/j721e_evm.h
@@ -11,8 +11,6 @@
 
 #include <linux/sizes.h>
 
-/* DDR Configuration */
-#define CFG_SYS_SDRAM_BASE1		0x880000000
 /* FLASH Configuration */
 #define CFG_SYS_FLASH_BASE		0x000000000
 
diff --git a/include/configs/j721s2_evm.h b/include/configs/j721s2_evm.h
index 692c6bb..846cfa7 100644
--- a/include/configs/j721s2_evm.h
+++ b/include/configs/j721s2_evm.h
@@ -12,9 +12,6 @@
 #include <linux/sizes.h>
 #include <config_distro_bootcmd.h>
 
-/* DDR Configuration */
-#define CFG_SYS_SDRAM_BASE1		0x880000000
-
 /* SPL Loader Configuration */
 #if defined(CONFIG_TARGET_J721S2_A72_EVM)
 #define CFG_SYS_UBOOT_BASE		0x50280000