Merge pull request #1410 from Anson-Huang/master

Add NXP's i.MX8QX and i.MX8QM SoC support

Support for NXP's imx SoC common function

This patch adds support for NXP's imx SoC common
function support like topology, gic implementation.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>