drivers: pinmux: stm32: fix MAPR remap
drivers: pinmux: stm32: fix MAPR remap

- Move SWJ_CFG initialization into pinmux.
- Don't disable the AFIO clock after SWJ_CFG
  initialization.
- Apply '111' to the SWJ_CFG bits upon remap
  application, that fixes the remap usage.

Signed-off-by: Georgij Cernysiov <bd22e7942bc8beaebb3a0cc77ee92e4585e26366@gmail.com>

galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr