nb/intel: Fix some spelling mistakes in comments and strings

Change-Id: I4a8297397d878e38516c8df19dd311c7ef19ec06
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/17478
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/northbridge/intel/sandybridge/romstage.c b/src/northbridge/intel/sandybridge/romstage.c
index a2ca1c1..738e285 100644
--- a/src/northbridge/intel/sandybridge/romstage.c
+++ b/src/northbridge/intel/sandybridge/romstage.c
@@ -72,7 +72,7 @@
 	/* Initialize superio */
 	mainboard_config_superio();
 
-	/* USB is inited in MRC if MRC is used.  */
+	/* USB is initialized in MRC if MRC is used.  */
 	if (CONFIG_USE_NATIVE_RAMINIT) {
 		early_usb_init(mainboard_usb_ports);
 	}