west.yml: hal_stm32: Use new stm32f1 -pinctrl.dtsi

Following the change in remap information encoding/decoding in
stm32 pinmux driver, use new -pinctrl.dtsi which use the matching
remap information encoding.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
1 file changed