boot/mv-ddr-marvell: bump to latest commit

This update fixes build with gcc 11.

Update license file hash for unrelated code changes.

Tested on Macchiatobin.

Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/2931841699
https://gitlab.com/buildroot.org/buildroot/-/jobs/2931841700



Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>