global: Migrate CONFIG_IRAM_BASE to CFG

Perform a simple rename of CONFIG_IRAM_BASE to CFG_IRAM_BASE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/px30_common.h b/include/configs/px30_common.h
index 0036869..3f1595c 100644
--- a/include/configs/px30_common.h
+++ b/include/configs/px30_common.h
@@ -9,7 +9,7 @@
 #include "rockchip-common.h"
 
 /* FIXME: ff020000 is pmu_mem (10k), while ff0e0000 is regular int_mem */
-#define CONFIG_IRAM_BASE		0xff020000
+#define CFG_IRAM_BASE		0xff020000
 
 #define GICD_BASE			0xff131000
 #define GICC_BASE			0xff132000