ARM: 926ejs: use debug() for misaligned addresses

Misaligned warnings are useful to debug faulty drivers.
A misaligned warning is printed also when the driver
is correct - use debug() instead of printf().

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Albert Aribaud <albert.u.boot@aribaud.net>
CC: Mike Frysinger <vapier@gentoo.org>
CC: Marek Vasut <marex@denx.de>
Acked-by: Marek Vasut <marex@denx.de>

arch/arm/cpu/arm926ejs/cache.c

@@ -55,7 +55,7 @@ static int check_cache_range(unsigned long start, unsigned long stop)
 		ok = 0;
 
 	if (!ok)
-		printf("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
+		debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
 			start, stop);
 
 	return ok;