refactored generate_driver_wrappers.py
refactored generate_driver_wrappers.py

Signed-off-by: Asfandyar Orakzai <1b71617adae12f4221ef782df62085e62077a0a1@silabs.com>

ARMmbed/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls