nb/intel/sandybridge: Correct designation of MRC version

Do not use `System Agent version` to refer to the MRC version, which is
what the register being printed contains under normal circumstances.

Change-Id: I8679bae37b8ccb76e9e9fc56fc05c399f6030b29
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46372
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c
index 697862f..444ecf8 100644
--- a/src/northbridge/intel/sandybridge/raminit_mrc.c
+++ b/src/northbridge/intel/sandybridge/raminit_mrc.c
@@ -176,9 +176,9 @@
 	if (CONFIG(USBDEBUG_IN_PRE_RAM))
 		usbdebug_hw_init(true);
 
-	/* For reference, print the System Agent version after executing the UEFI PEI stage */
+	/* Print the MRC version after executing the UEFI PEI stage */
 	u32 version = MCHBAR32(MRC_REVISION);
-	printk(BIOS_DEBUG, "System Agent Version %d.%d.%d Build %d\n",
+	printk(BIOS_DEBUG, "MRC Version %d.%d.%d Build %d\n",
 		(version >> 24) & 0xff, (version >> 16) & 0xff,
 		(version >>  8) & 0xff, (version >>  0) & 0xff);