pinctrl: Put space between type and data in compound literal

It's slightly better to read when compound literal data and type
are separated by a space.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20221109152356.39868-1-andriy.shevchenko@linux.intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

include/linux/pinctrl/pinctrl.h

@@ -40,7 +40,7 @@ struct pingroup {
 
 /* Convenience macro to define a single named or anonymous pingroup */
 #define PINCTRL_PINGROUP(_name, _pins, _npins)	\
-(struct pingroup){				\
+(struct pingroup) {				\
 	.name = _name,				\
 	.pins = _pins,				\
 	.npins = _npins,			\