This patch solves the following warnings:
warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
if (*idx < 0)
^
drivers/pinctrl/pinctrl_stm32.c: At top level:
warning: no previous prototype for 'stm32_pinctrl_probe' [-Wmissing-prototypes]
int stm32_pinctrl_probe(struct udevice *dev)
^~~~~~~~~~~~~~~~~~~
Signed-off-by: Patrice CHOTARD <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
91ca91e855