mb/apple/macbook21: Use DEBUG_RAM_SETUP

Also, the loglevel is never set to value of > 8.

Change-Id: Ief29e07be6ac075956bf0f9aee85b14eb89af44c
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36496
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Evgeny Zinoviev <me@ch1p.io>

src/mainboard/apple/macbook21/romstage.c

@@ -226,9 +226,8 @@ void mainboard_romstage_entry(void)
 	/* Enable SPD ROMs and DDR-II DRAM */
 	enable_smbus();
 
-#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
+	if (CONFIG(DEBUG_RAM_SETUP))
 		dump_spd_registers();
-#endif
 
 	sdram_initialize(s3resume ? 2 : 0, spd_addrmap);