mb/google/kahlee/Kconfig: add board-specific MAINBOARD_PART_NUMBER
Before the part number for all boards was "Grunt". This patch adds the
correct part number/name for all variants.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If506df0b1027fb09f5027d8b9653b776fe3bdc75
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55681
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>