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/M5373EVB.h b/include/configs/M5373EVB.h
index fa6f2d2..4e8dcb5 100644
--- a/include/configs/M5373EVB.h
+++ b/include/configs/M5373EVB.h
@@ -36,7 +36,7 @@
 	"save\0"	\
 	""
 
-#define CONFIG_PRAM		512	/* 512 KB */
+#define CFG_PRAM		512	/* 512 KB */
 
 #define CFG_SYS_CLK			80000000
 #define CFG_SYS_CPU_CLK		CFG_SYS_CLK * 3