include: configs: am62x_evm: Drop unused SDRAM address

Drop unused macro. This was meant for a second region of DDR which we
do not need for AM62x evm configurations.

Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

include/configs/am62x_evm.h

@@ -12,9 +12,6 @@
 #include <config_distro_bootcmd.h>
 #include <env/ti/mmc.h>
 
-/* DDR Configuration */
-#define CFG_SYS_SDRAM_BASE1		0x880000000
-
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>