soc: st: stm32: wkup_pins: break after configuring I/O retention on pin

After we found the target GPIO port and configured I/O retention on target
wake-up pin, break from the search loop.

Applies only to STM32WBA series.

Signed-off-by: Mathieu Choplain <mathieu.choplain-ext@st.com>
1 file changed