S2-LP: sync with development repository#11890

Merged

0xc0170 merged 1 commit intoARMmbed:masterfrom

JarkkoPaso:nanostack_driver_update_for_mbed_os_5.15

Nov 22, 2019

Commits on Nov 19, 2019

S2-LP: Preamble configuration to follow Wi-SUN FAN specification
Jarkko Paso
committed