MLK-19526-2 imx8mq: Update kernel DTB for iMX8MD and iMX8MQLite

MLK-19526-2 imx8mq: Update kernel DTB for iMX8MD and iMX8MQLite

Since VPU/HDMI are disabled on iMX8QLite, the CPU core 2/3 are disabled
on iMX8MD, we have to update kernel DTB to disable relevant nodes. The MIPI-DSI
can input from DCSS or LCDIF, so we need to check the input in DTB and only

The iMX8MQLite new part will not disable DCSS in fuse, but old will disable
DCSS. So the codes to check the DCSS fuse before disable relevant FDT nodes.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 79e8d0441d8c5cf8bde5ce1e332ffcb780c86986)