smbus: Fix a typo ("Set the device I'm talking too")

Change-Id: Ia14bbdfe973cec4b366879cd2ed5602b43754260
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/21653
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

util/romcc/tests/simple_test61.c

@@ -14,7 +14,7 @@ static void spd_set_nbxcfg(void)
 		/* 0 == None, 1 == Parity, 2 == ECC */
 		if (byte != 2) continue;
 
-		/* set the device I'm talking too */
+		/* set the device I'm talking to */
 		__builtin_outb(device, 0x1004);
 
 		/* poll for transaction completion */