modules: trusted-firmware-m: Allow to adjust hex file base address
modules: trusted-firmware-m: Allow to adjust hex file base address

This commit allows to append an optional --hex-addr argument to
the wrapper script if speficied. This can adjust the base address
of the output hex file when signing the non-secure or secure
firmware images.

Signed-off-by: Yestin Sun <f20c134e5d028e95680313c69191c2276be43250@gmail.com>

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