ARM: rmobile: Update link address to match latest BL2

Update the CONFIG_SYS_TEXT_BASE to match BL2 Rev.1.0.9 and newer,
which loads the U-Boot to 0x50000000 .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/rcar-gen3-common.h

@@ -52,7 +52,7 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 115200, 38400 }
 
 /* MEMORY */
-#define CONFIG_SYS_TEXT_BASE		0x49000000
+#define CONFIG_SYS_TEXT_BASE		0x50000000
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + 0x7fff0)
 
 #define CONFIG_SYS_SDRAM_BASE		(0x48000000)