imx8mn: Add flexspi boot support for DDR4 evk board

On iMX8MN, the flexspi boot IVT offset is 0, but its image offset is
0x1000. Fix the problem in codes.
And add a new build target flash_ddr4_evk_flexspi for flexspi booting
on DDR4 EVK board.

Signed-off-by: Ye Li <ye.li@nxp.com>
2 files changed
tree: 5d5541dd09475a0acdfd6f657e7c76f3a36c54c9
  1. iMX8dv/
  2. iMX8M/
  3. iMX8QM/
  4. iMX8QX/
  5. scripts/
  6. src/
  7. COPYING
  8. Makefile
  9. README