boards: Add MIPI support on MXRT1170 EVK

1. Add MIPI support on MXRT1170 EVK board

2. To support the 720x1280 on RT1170 EVK, we
   require more heap for the display buffers.
   Increase the heap size via HEAP_MEM_POOL_SIZE config

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
3 files changed