feat(stm32mp1-fdts): change pin-controller to pinctrl

Due to commit updating kernel yaml file [1], we need to align TF-A DT
files to what is done in kernel.

[1] c09acbc499e8 ("dt-bindings: pinctrl: use pinctrl.yaml")

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Id717162e42d3959339d6c01883e87a9d4399f5d9
5 files changed