arm: mvebu: Use printf for printing fatal errors

There is no point to hide/disable fatal errors via debug() macro.
Print fatal errors loudly.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 742d66a..aada83f 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -260,7 +260,7 @@
 
 	ret = spl_init();
 	if (ret) {
-		debug("spl_init() failed: %d\n", ret);
+		printf("spl_init() failed: %d\n", ret);
 		hang();
 	}
 
@@ -276,7 +276,7 @@
 	/* Setup DDR */
 	ret = ddr3_init();
 	if (ret) {
-		debug("ddr3_init() failed: %d\n", ret);
+		printf("ddr3_init() failed: %d\n", ret);
 		hang();
 	}
 #endif