arc: emsdp: Bump RAM size to 16 Mb

On v2 boards that will hit real stock we'll have 16 Mb of RAM.

Note on v1 boards (if anybody ever get one out of trash bin)
this leads to U-Boot execution freeze in the middle ofthe relocation
so don't be surprised.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/include/configs/emsdp.h b/include/configs/emsdp.h
index 385d59e..9a205ed 100644
--- a/include/configs/emsdp.h
+++ b/include/configs/emsdp.h
@@ -11,7 +11,7 @@
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
 
 #define CONFIG_SYS_SDRAM_BASE		0x10000000
-#define CONFIG_SYS_SDRAM_SIZE		SZ_8M
+#define CONFIG_SYS_SDRAM_SIZE		SZ_16M
 
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + SZ_1M)