pinctrl: k1x: set strict for pinmux_ops

This will not allow simultaneous use of the same pin for GPIO and
another function. If user use a pin in such way, an error would be
reported, make it easier to debug.

d401e000.pinctrl: pin PIN80 already requested by k1x-gpio:79; cannot claim for xxx

Signed-off-by: Junzhong Pan <junzhong.pan@spacemit.com>
Change-Id: I0aad1e6a55ac46c47537d18bdb8586779f290435

drivers/pinctrl/pinctrl-single.c

@@ -501,6 +501,9 @@ static const struct pinmux_ops pcs_pinmux_ops = {
 	.get_function_groups = pinmux_generic_get_function_groups,
 	.set_mux = pcs_set_mux,
 	.gpio_request_enable = pcs_request_gpio,
+#ifdef CONFIG_SOC_SPACEMIT_K1X
+	.strict = true,
+#endif
 };
 
 /* Clear BIAS value */