global: Migrate CONFIG_MAX_MEM_MAPPED to CFG

Perform a simple rename of CONFIG_MAX_MEM_MAPPED to CFG_MAX_MEM_MAPPED

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c
index e49cf6e..6005139 100644
--- a/drivers/ddr/fsl/util.c
+++ b/drivers/ddr/fsl/util.c
@@ -139,10 +139,10 @@
 	}
 
 #if !defined(CONFIG_PHYS_64BIT)
-	if (base >= CONFIG_MAX_MEM_MAPPED)
+	if (base >= CFG_MAX_MEM_MAPPED)
 		return;
-	if ((base + size) >= CONFIG_MAX_MEM_MAPPED)
-		size = CONFIG_MAX_MEM_MAPPED - base;
+	if ((base + size) >= CFG_MAX_MEM_MAPPED)
+		size = CFG_MAX_MEM_MAPPED - base;
 #endif
 	if (set_ddr_laws(base, size, law_memctl) < 0) {
 		printf("%s: ERROR (ctrl #%d, TRGT ID=%x)\n", __func__, ctrl_num,