[rdkb][griffin][bsp][Add griffin support]

[Description]
Add griffin support

[Release-log]

Change-Id: Ic8dea70e3a5d22d176a890fdad6434d24320ff50
diff --git a/recipes-kernel/linux/linux-mediatek-5.4/mediatek/patches-5.4/999-2024-pinctrl-add-mt7987-driver.patch b/recipes-kernel/linux/linux-mediatek-5.4/mediatek/patches-5.4/999-2024-pinctrl-add-mt7987-driver.patch
new file mode 100644
index 0000000..7b98588
--- /dev/null
+++ b/recipes-kernel/linux/linux-mediatek-5.4/mediatek/patches-5.4/999-2024-pinctrl-add-mt7987-driver.patch
@@ -0,0 +1,26 @@
+--- a/drivers/pinctrl/mediatek/Kconfig
++++ b/drivers/pinctrl/mediatek/Kconfig
+@@ -112,6 +112,13 @@ config PINCTRL_MT7986
+ 	default ARM64 && ARCH_MEDIATEK
+ 	select PINCTRL_MTK_MOORE
+ 
++config PINCTRL_MT7987
++        bool "Mediatek MT7987 pin control"
++        depends on OF
++        depends on ARM64 || COMPILE_TEST
++        default ARM64 && ARCH_MEDIATEK
++        select PINCTRL_MTK_MOORE
++
+ config PINCTRL_MT7988
+         bool "Mediatek MT7988 pin control"
+         depends on OF
+--- a/drivers/pinctrl/mediatek/Makefile
++++ b/drivers/pinctrl/mediatek/Makefile
+@@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_MT7623)	+= pinctrl-
+ obj-$(CONFIG_PINCTRL_MT7629)	+= pinctrl-mt7629.o
+ obj-$(CONFIG_PINCTRL_MT7981)	+= pinctrl-mt7981.o
+ obj-$(CONFIG_PINCTRL_MT7986)	+= pinctrl-mt7986.o
++obj-$(CONFIG_PINCTRL_MT7987)    += pinctrl-mt7987.o
+ obj-$(CONFIG_PINCTRL_MT7988)    += pinctrl-mt7988.o
+ obj-$(CONFIG_PINCTRL_MT8173)	+= pinctrl-mt8173.o
+ obj-$(CONFIG_PINCTRL_MT8183)	+= pinctrl-mt8183.o