zephyr: pinctrl: fix path of dt-bindings in readme

Signed-off-by: Joel Guittet <joelguittet@gmail.com>

Author: joelguittet

zephyr/scripts/pinctrl/README.md

@@ -68,6 +68,6 @@ Run the script (here, using `ESP32-C6` as target):
 $ ../modules/hal/espressif/zephyr/scripts/pinctrl/esp_genpinctrl.py -p ../modules/hal/espressif/zephyr/port/pincfgs/esp32c6.yml
 ```
 
-The pin muxing definitions will be autogenerated and placed at `include/zephyr/dt-bindinds/pinctrl/{soc}-pinctrl.h`.
+The pin muxing definitions will be autogenerated and placed at `include/zephyr/dt-bindings/pinctrl/{soc}-pinctrl.h`.
 
 Use those definitions on your pin states declarations.