This patch adds pinctrl power management, and reconfigure spi controller
in case of resume.

Fixes: 038ac869 ("spi: stm32: add runtime PM support")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alain Volmat <alain.volmat@st.com>
Link: https://lore.kernel.org/r/1597043558-29668-5-git-send-email-alain.volmat@st.comSigned-off-by: Mark Brown <broonie@kernel.org>