Support Nuvoton M480 Platform.#3697

Merged

BernardXiong merged 4 commits intoRT-Thread:masterfrom

OpenNuvoton:m480

Jul 1, 2020

Commits on Jun 17, 2020

Support Nuvoton NuMaker-IOT-M487 and NuMaker-PFM-M487 boards.
wosayttn
committed

Commits on Jun 23, 2020

Add compiling option for building time.
wosayttn
committed

Commits on Jun 29, 2020

Append full-name of M480 peripheral.
wosayttn
committed

Commits on Jun 30, 2020

Shrink package size.
wosayttn
committed