pinctrl: armada-37xx: Remove unused macro PIN_GRP()

Macro PIN_GRP() is not used, remove it.
Signed-off-by: NPali Rohár <pali@kernel.org>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220805122202.23174-4-pali@kernel.orgSigned-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c

@@ -112,16 +112,6 @@ struct armada_37xx_pinctrl {
 	struct armada_37xx_pm_state	pm;
 };
 
-#define PIN_GRP(_name, _start, _nr, _mask, _func1, _func2)	\
-	{					\
-		.name = _name,			\
-		.start_pin = _start,		\
-		.npins = _nr,			\
-		.reg_mask = _mask,		\
-		.val = {0, _mask},		\
-		.funcs = {_func1, _func2}	\
-	}
-
 #define PIN_GRP_GPIO_0(_name, _start, _nr)	\
 	{					\
 		.name = _name,			\