pinctrl: stm32: Add links to consumers

Using STM32 as guinea pig after Alex's initial positive
test to see if this is something we should encourage
in general and make default behaviour.

Cc: Benjamin Gaignard <benjamin.gaignard@st.com>
Cc:  Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/pinctrl-stm32.c

@@ -1438,6 +1438,7 @@ int stm32_pctl_probe(struct platform_device *pdev)
 	pctl->pctl_desc.owner = THIS_MODULE;
 	pctl->pctl_desc.pins = pins;
 	pctl->pctl_desc.npins = pctl->npins;
+	pctl->pctl_desc.link_consumers = true;
 	pctl->pctl_desc.confops = &stm32_pconf_ops;
 	pctl->pctl_desc.pctlops = &stm32_pctrl_ops;
 	pctl->pctl_desc.pmxops = &stm32_pmx_ops;