[coreboot-gerrit] [L] Change in coreboot[master]: mb/purism/librem_l1um_v2: Add support for Purism Librem L1UM v2

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Felix Singer, Jonathon Hall, Michael Niewöhner.

Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75090 )

Change subject: mb/purism/librem_l1um_v2: Add support for Purism Librem L1UM v2
......................................................................

Patch Set 1:

(2 comments)

File src/mainboard/purism/librem_l1um_v2/bootblock.c:

https://review.coreboot.org/c/coreboot/+/75090/comment/e7a5b293_8ad2664e 
PS1, Line 17: int64_t bmc_ready_elapsed = 0;
nit: should be `static`

File src/mainboard/purism/librem_l1um_v2/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/75090/comment/4ae8700f_a70ff7cc 
PS1, Line 273: 				register "bmc_boot_timeout" = "90"
just a note that this is inconsistent with the bootblock waiting 120 seconds, any reason for that?