Add MODULE_LICENSE("GPL v2") macro and change Kconfig option from
bool to tristate to allow building as a loadable kernel module.

This is required for Android GKI + vendor_dlkm deployments where
vendor-specific drivers must be kept separate from the GKI vmlinux.

Fixes: dc6ae2057c9c ("pinctrl: ralink: move to mediatek as mtmips")
Signed-off-by: Justin Yeh <redacted>
---
 drivers/pinctrl/mediatek/Kconfig          | 2 +-
 drivers/pinctrl/mediatek/pinctrl-rt305x.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
index d596d7c742dc..5b0471b7e920 100644
--- a/drivers/pinctrl/mediatek/Kconfig
+++ b/drivers/pinctrl/mediatek/Kconfig

@@ -76,7 +76,7 @@ config PINCTRL_RT2880
 	select PINCTRL_MTK_MTMIPS
 
 config PINCTRL_RT305X
-	bool "Ralink RT305X pin control"
+	tristate "Ralink RT305X pin control"
 	depends on SOC_RT305X || COMPILE_TEST
 	depends on RALINK
 	default SOC_RT305X

diff --git a/drivers/pinctrl/mediatek/pinctrl-rt305x.c b/drivers/pinctrl/mediatek/pinctrl-rt305x.c
index 77bd4d1f6122..6b108fecd9ae 100644
--- a/drivers/pinctrl/mediatek/pinctrl-rt305x.c
+++ b/drivers/pinctrl/mediatek/pinctrl-rt305x.c

@@ -138,3 +138,6 @@ static int __init rt305x_pinctrl_init(void)
 	return platform_driver_register(&rt305x_pinctrl_driver);
 }
 core_initcall_sync(rt305x_pinctrl_init);
+
+MODULE_DESCRIPTION("MediaTek RT305X Pinctrl Driver");
+MODULE_LICENSE("GPL v2");

-- 
2.45.2