nb/intel/nehalem: Hide some raminit output messages

Hide some debug output behind CONFIG_DEBUG_RAM_SETUP. That way the
pre-ram console does not overflow.

Change-Id: Idc425f4d10443f6ee7f9b4da67eb6542069cc40c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32318
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/northbridge/intel/nehalem/Kconfig b/src/northbridge/intel/nehalem/Kconfig
index 9eb6e75..1e50459 100644
--- a/src/northbridge/intel/nehalem/Kconfig
+++ b/src/northbridge/intel/nehalem/Kconfig
@@ -23,6 +23,7 @@
 	select CACHE_MRC_SETTINGS
 	select POSTCAR_STAGE
 	select POSTCAR_CONSOLE
+	select HAVE_DEBUG_RAM_SETUP
 
 if NORTHBRIDGE_INTEL_NEHALEM