src/mainboard: change "unsigned" to "unsigned int"

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I46d131f76ec930d2ef0f74e6eaabae067df10754
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36330
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/mainboard/biostar/a68n_5200/mptable.c

@@ -39,7 +39,7 @@ u8 intr_data[0x54] = {
 	0x10,0x11,0x12,0x13
 };
 
-static void smp_add_mpc_entry(struct mp_config_table *mc, unsigned length)
+static void smp_add_mpc_entry(struct mp_config_table *mc, unsigned int length)
 {
 	mc->mpc_length += length;
 	mc->mpc_entry_count++;