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: f969b7aac980 ("pinctrl: mediatek: Add mt6797 support")
Signed-off-by: Justin Yeh <redacted>
---
 drivers/pinctrl/mediatek/Kconfig          | 2 +-
 drivers/pinctrl/mediatek/pinctrl-mt6797.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
index b06995d7b217..b3fd0c4fef95 100644
--- a/drivers/pinctrl/mediatek/Kconfig
+++ b/drivers/pinctrl/mediatek/Kconfig

@@ -160,7 +160,7 @@ config PINCTRL_MT6795
 	select PINCTRL_MTK_PARIS
 
 config PINCTRL_MT6797
-	bool "MediaTek MT6797 pin control"
+	tristate "MediaTek MT6797 pin control"
 	depends on OF
 	depends on ARM64 || COMPILE_TEST
 	default ARM64 && ARCH_MEDIATEK

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt6797.c b/drivers/pinctrl/mediatek/pinctrl-mt6797.c
index 53f240491259..6f9b831f5334 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt6797.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt6797.c

@@ -75,3 +75,6 @@ static int __init mt6797_pinctrl_init(void)
 	return platform_driver_register(&mt6797_pinctrl_driver);
 }
 arch_initcall(mt6797_pinctrl_init);
+
+MODULE_DESCRIPTION("MediaTek MT6797 Pinctrl Driver");
+MODULE_LICENSE("GPL v2");

-- 
2.45.2