Change in coreboot[master]: mb/libretrend/lt1000: Add Libretrend LT1000 board support

[Michał Żygowski (Code Review)]

Michał Żygowski has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/30360 )

Change subject: mb/libretrend/lt1000: Add Libretrend LT1000 board support
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Patch Set 15:
> Patch Set 15:
> > Patch Set 15:
> > > Patch Set 15:
> > >
> > > Board status available for review: https://review.coreboot.org/cgit/board-status.git/tree/libretrend/lt1000/4.1...
> >
> > Thank you. As written in the other review, for commits not in the master branch, please add the source for your upload to the board status commit message.
> >
> > Looking at the data, the FspMemoryInit is *very* slow.
> > + 950:calling FspMemoryInit                             319,239 (193,169)
> > + 951:returning from FspMemoryInit                      17,456,411 (17,137,171)
>
> Hmm should I force push the board_status repository?
>
> The MemoryInit is horrible with Kaby Lake FSP. It is also very slow on Protectli FW6, but I think it is a matter of DDR4. DDR3 could be faster probably.

Vendor BIOS also initializes the memory very slowly on both FW6 and LT1000, for reference, so I assumed it just has to be like that.