pinctrl: intel: Add blank line before endif in Kconfig

Add a blank line before endif directive in Kconfig for better readability.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/pinctrl/intel/Kconfig

@@ -151,4 +151,5 @@ config PINCTRL_TIGERLAKE
 	help
 	  This pinctrl driver provides an interface that allows configuring
 	  of Intel Tiger Lake PCH pins and using them as GPIOs.
+
 endif