src: Retype option API to use unsigned integers

The CMOS option system does not support negative integers. Thus, retype
and rename the option API functions to reflect this.

Change-Id: Id3480e5cfc0ec90674def7ef0919e0b7ac5b19b3
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52672
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
diff --git a/src/southbridge/intel/bd82x6x/me_8.x.c b/src/southbridge/intel/bd82x6x/me_8.x.c
index 3c5fcd1..6ad4cc2 100644
--- a/src/southbridge/intel/bd82x6x/me_8.x.c
+++ b/src/southbridge/intel/bd82x6x/me_8.x.c
@@ -182,8 +182,8 @@
 	/* Do initial setup and determine the BIOS path */
 	printk(BIOS_NOTICE, "ME: BIOS path: %s\n", me_get_bios_path_string(path));
 
-	u8 me_state = get_int_option("me_state", 0);
-	u8 me_state_prev = get_int_option("me_state_prev", 0);
+	u8 me_state = get_uint_option("me_state", 0);
+	u8 me_state_prev = get_uint_option("me_state_prev", 0);
 
 	printk(BIOS_DEBUG, "ME: me_state=%u, me_state_prev=%u\n", me_state, me_state_prev);
 
@@ -267,7 +267,7 @@
 	   set the 'changed' bit here. */
 	if (me_state != CMOS_ME_STATE(me_state_prev) || need_reset) {
 		u8 new_state = me_state | CMOS_ME_STATE_CHANGED;
-		set_int_option("me_state_prev", new_state);
+		set_uint_option("me_state_prev", new_state);
 	}
 
 	if (need_reset) {