Fill in devicetree for nissa baseboard based on schematics.
BUG=b:197479026
TEST=abuild -a -x -c max -p none -t google/brya -b nivviks
TEST=abuild -a -x -c max -p none -t google/brya -b nereid
Signed-off-by: Kangheui Won <khwon@chromium.org>
Change-Id: I6cd332fd05fde19078ebc4bd2797580abfb76f3b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61141
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>