pinctrl: Kconfig: spelling fixes

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 30a6aa6..fb441b3 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -146,7 +146,7 @@
 	  Supports individual pin selection and configuration for each
 	  remappable peripheral available on Microchip PIC32
 	  SoCs. This driver is controlled by a device tree node which
-	  contains both GPIO defintion and pin control functions.
+	  contains both GPIO definition and pin control functions.
 
 config PINCTRL_QCA953X
 	bool "QCA/Athores qca953x pin control driver"