nb/intel/sandybridge: Deduplicate report_memory_config

Use the version from native raminit, as it takes the reference clock
into account.

Change-Id: I00e979bec236167d22561e3eb44b30b4a34ad663
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39622
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 07d7904..8fb72cc 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -236,6 +236,7 @@
 void mainboard_early_init(int s3resume);
 int mainboard_should_reset_usb(int s3resume);
 void perform_raminit(int s3resume);
+void report_memory_config(void);
 enum platform_type get_platform_type(void);
 
 #include <device/device.h>