This macro is not needed, since gd->ram_size is assigned value using
function imx_ddr_size().
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
 #define CONFIG_MXC_UART_BASE   UART1_BASE
 #define CONFIG_CONSOLE_DEV             "ttymxc0"
 #define CONFIG_MMCROOT                 "/dev/mmcblk1p2"
-#define PHYS_SDRAM_SIZE                (1u * 1024 * 1024 * 1024)
 
 #define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */