Since S400 will set the memory of SPL image to R/X. We can't write
to any data in SPL image.
1. Set the parameters save/restore only for u-boot, not for SPL. to
avoid write data.
2. Not use MU DM driver but directly call MU API to send release XRDC
to S400 at early phase.
3. Configure the SPL image memory of SRAM2 to writable (R/W/X)
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
According to latest S400 API doc, the the success indicate value is
changed to 0xd6. So update the driver codes.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>