meta-quanta: Add meta-runbmc-nuvoton machine

Initial introduction of Quanta RunBMC family.
The meta-runbmc-nuvoton equipped with Nuvoton NPCM750 BMC SoC.

Tested: Build Quanta RunBMC board and load on the target hardware.
Ensure that BMC boots to console.

Change-Id: I1a211ceef91362e6276e09b396a4810f97e76377
Signed-off-by: Samuel Jiang <Samuel.Jiang@quantatw.com>
Signed-off-by: PKLee-Quanta <p.k.lee@quantatw.com>
10 files changed