Add MODULE_LICENSE("GPL") 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: 82d70627e94a ("pinctrl: mediatek: Add MT8167 Pinctrl driver")
Signed-off-by: Justin Yeh <redacted>
---
 drivers/pinctrl/mediatek/Kconfig          | 2 +-
 drivers/pinctrl/mediatek/pinctrl-mt8167.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
index 1bd33f74efd3..931bf873ea2a 100644
--- a/drivers/pinctrl/mediatek/Kconfig
+++ b/drivers/pinctrl/mediatek/Kconfig

@@ -215,7 +215,7 @@ config PINCTRL_MT7988
 	select PINCTRL_MTK_MOORE
 
 config PINCTRL_MT8167
-	bool "MediaTek MT8167 pin control"
+	tristate "MediaTek MT8167 pin control"
 	depends on OF
 	depends on ARM64 || COMPILE_TEST
 	default ARM64 && ARCH_MEDIATEK

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8167.c b/drivers/pinctrl/mediatek/pinctrl-mt8167.c
index c812d614e9d4..ee294e1d408a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8167.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8167.c

@@ -343,3 +343,6 @@ static int __init mtk_pinctrl_init(void)
 	return platform_driver_register(&mtk_pinctrl_driver);
 }
 arch_initcall(mtk_pinctrl_init);
+
+MODULE_DESCRIPTION("MediaTek MT8167 Pinctrl Driver");
+MODULE_LICENSE("GPL v2");

-- 
2.45.2