global: Migrate CONFIG_MAX_RAM_BANK_SIZE to CFG

Perform a simple rename of CONFIG_MAX_RAM_BANK_SIZE to CFG_MAX_RAM_BANK_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-omap2/am33xx/board.c b/arch/arm/mach-omap2/am33xx/board.c
index 86755d6..a52d04d 100644
--- a/arch/arm/mach-omap2/am33xx/board.c
+++ b/arch/arm/mach-omap2/am33xx/board.c
@@ -73,7 +73,7 @@
 	/* dram_init must store complete ramsize in gd->ram_size */
 	gd->ram_size = get_ram_size(
 			(void *)CFG_SYS_SDRAM_BASE,
-			CONFIG_MAX_RAM_BANK_SIZE);
+			CFG_MAX_RAM_BANK_SIZE);
 	return 0;
 }
 
@@ -521,7 +521,7 @@
 	/* dram_init must store complete ramsize in gd->ram_size */
 	gd->ram_size = get_ram_size(
 			(void *)CFG_SYS_SDRAM_BASE,
-			CONFIG_MAX_RAM_BANK_SIZE);
+			CFG_MAX_RAM_BANK_SIZE);
 }
 #endif