pinctrl: stm32: Fix up errorpath after merge

When merging the for_each_gpiochip_node() changes, I made
some mistakes by not disabling the clocks on the errorpath,
fix it up.

Fixes: a0912083 ("Merge tag 'intel-gpio-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into devel")
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/pinctrl-stm32.c

@@ -1614,6 +1614,10 @@ int stm32_pctl_probe(struct platform_device *pdev)
 		ret = stm32_gpiolib_register_bank(pctl, child);
 		if (ret) {
 			fwnode_handle_put(child);
+
+			for (i = 0; i < pctl->nbanks; i++)
+				clk_disable_unprepare(pctl->banks[i].clk);
+
 			return ret;
 		}