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: a6df410d420a ("pinctrl: mediatek: Add Pinctrl/GPIO driver for mt8135.")
Signed-off-by: Justin Yeh <redacted>
---
 drivers/pinctrl/mediatek/Kconfig          | 2 +-
 drivers/pinctrl/mediatek/pinctrl-mt8135.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
index 54e44dced287..d1fcd06593b4 100644
--- a/drivers/pinctrl/mediatek/Kconfig
+++ b/drivers/pinctrl/mediatek/Kconfig

@@ -112,7 +112,7 @@ config PINCTRL_MT7629
 	select PINCTRL_MTK_MOORE
 
 config PINCTRL_MT8135
-	bool "MediaTek MT8135 pin control"
+	tristate "MediaTek MT8135 pin control"
 	depends on MACH_MT8135 || COMPILE_TEST
 	depends on OF
 	default MACH_MT8135

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8135.c b/drivers/pinctrl/mediatek/pinctrl-mt8135.c
index 77c6ac464e86..83b53775f4e5 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8135.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8135.c

@@ -336,3 +336,6 @@ static int __init mtk_pinctrl_init(void)
 	return platform_driver_register(&mtk_pinctrl_driver);
 }
 arch_initcall(mtk_pinctrl_init);
+
+MODULE_DESCRIPTION("MediaTek MT8135 Pinctrl Driver");
+MODULE_LICENSE("GPL v2");

-- 
2.45.2