ext: hal: st: stm32cube: Add HAL for the STM32G4x series
ext: hal: st: stm32cube: Add HAL for the STM32G4x series

This commit adds the STM32CUBE HAL for STM32G4x series MCUs.

Signed-off-by: Richard Osterloh <64cc5d6b89f2a768f00341ea0fe04d7b82cf2445@gmail.com>

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