mainboard: Use read_int_option()

Change-Id: I9273b90b6a21b8f52fa42d9ff03a9b56eec9fcbf
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47137
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/mainboard/siemens/chili/romstage.c b/src/mainboard/siemens/chili/romstage.c
index 06927b0..330d8afd 100644
--- a/src/mainboard/siemens/chili/romstage.c
+++ b/src/mainboard/siemens/chili/romstage.c
@@ -9,7 +9,6 @@
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
-	uint8_t vtd = 1;
 	const struct cnl_mb_cfg cfg = {
 		.spd = {
 			[0] = { READ_SMBUS, { 0x50 << 1 } },
@@ -25,9 +24,10 @@
 	memupd->FspmConfig.EccSupport = 1;
 	memupd->FspmConfig.UserBd = BOARD_TYPE_MOBILE;
 
-	get_option(&vtd, "vtd");
+	const uint8_t vtd = get_int_option("vtd", 1);
 	memupd->FspmTestConfig.VtdDisable = !vtd;
-	get_option(&memupd->FspmConfig.HyperThreading, "hyper_threading");
+	const uint8_t ht = get_int_option("hyper_threading", memupd->FspmConfig.HyperThreading);
+	memupd->FspmConfig.HyperThreading = ht;
 
 	variant_romstage_params(memupd);