commonlib/loglevel.h: Drop unnecessary include

This 'include' is only needed in console/console.h file.

Change-Id: Ief61106eb78d0de743c920f358937c51658c228a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31239
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/southbridge/amd/cimx/sb900/early.c

@@ -22,7 +22,6 @@
 #include "SbPlatform.h"
 #include "sb_cimx.h"
 #include <console/console.h>
-#include <commonlib/loglevel.h>
 #include "smbus.h"