meta-hxt: add some sensors support for rep2

HXT stardragon4800 is an ARMv8-compatible 48-core processor chip.
The REP2 is a reference design board for stardragon4800.
BMC will handle the sensors,devices by I2C,SPI, include:
IR38163, PXM1310, NVT210, TMP421, ADM1278, PCA9641 and so on.

Change-Id: I1dca7e050a57fdc440448f01202a196fb8b0dc61
Signed-off-by: Yuan Yao <yao.yuan@hxt-semitech.com>
26 files changed
tree: 2fe710be3435fffb17848da05059d5c415ab484f
  1. conf/
  2. meta-stardragon4800-rep2/