add stm32 network drivers #86

Job	Run time
Azure_IoT_Windows	2m 43s
Azure_IoT / run_tests	4m 21s
Crypto / run_tests	5m 12s
MQTT / run_tests	5m 7s
MQTT_Interoperability / run_tests	7m 0s
NetXDuo / run_tests	55m 52s
NetXDuo_Fast / run_tests	5m 7s
NetXDuo64 / run_tests	3m 32s
PTP / run_tests	2m 26s
Secure / run_tests	18m 48s
Secure_Interoperability / run_tests	45m 59s
Web / run_tests	2m 33s
PTP / deploy_code_coverage	0s
Web / deploy_code_coverage	0s
NetXDuo64 / deploy_code_coverage	0s
Azure_IoT / deploy_code_coverage	0s
NetXDuo_Fast / deploy_code_coverage	0s
MQTT / deploy_code_coverage	0s
Crypto / deploy_code_coverage	0s
MQTT_Interoperability / deploy_code_coverage	0s
Secure / deploy_code_coverage	0s
Secure_Interoperability / deploy_code_coverage	0s
NetXDuo / deploy_code_coverage	0s
Deploy	0s
	2h 38m 40s

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