global: Migrate CONFIG_PRAM to CFG

Perform a simple rename of CONFIG_PRAM to CFG_PRAM

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/M5249EVB.h b/include/configs/M5249EVB.h
index c711309..4fd539c 100644
--- a/include/configs/M5249EVB.h
+++ b/include/configs/M5249EVB.h
@@ -57,7 +57,7 @@
 #define CFG_SYS_FLASH_BASE		(CFG_SYS_CS0_BASE)
 
 #if 0 /* test-only */
-#define CONFIG_PRAM		512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
+#define CFG_PRAM		512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
 #endif
 
 /*