src: Replace remaining {get,set}_option() instances

With this change, the type-unsafe {get,set}_option() API functions are
no longer used directly. The old API gets dropped in a follow-up.

Change-Id: Id3f3e172c850d50a7d2f348b1c3736969c73837d
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52512
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/drivers/lenovo/hybrid_graphics/hybrid_graphics.c b/src/drivers/lenovo/hybrid_graphics/hybrid_graphics.c
index 8f0e7bd..bae8a54 100644
--- a/src/drivers/lenovo/hybrid_graphics/hybrid_graphics.c
+++ b/src/drivers/lenovo/hybrid_graphics/hybrid_graphics.c
@@ -14,7 +14,7 @@
 static void lenovo_hybrid_graphics_enable(struct device *dev)
 {
 	const struct drivers_lenovo_hybrid_graphics_config *config;
-	enum hybrid_graphics_req mode = HYBRID_GRAPHICS_DEFAULT_GPU;
+	enum hybrid_graphics_req mode;
 
 	/* Don't confuse anyone else and disable the fake device */
 	dev->enabled = 0;
@@ -25,7 +25,7 @@
 		return;
 	}
 
-	get_option(&mode, "hybrid_graphics_mode");
+	mode = get_int_option("hybrid_graphics_mode", HYBRID_GRAPHICS_DEFAULT_GPU);
 
 	if (mode == HYBRID_GRAPHICS_DISCRETE) {
 		printk(BIOS_DEBUG, "Hybrid graphics:"