Update the default MrChromebox branch to uefipayload_2511.
This branch is rebased on the latest upstream edk tag
'edk2-stable202511', and includes a number of other improvements,
such as setup menu password protection.
TEST=tested on multiple ChromeOS devices from Sandybridge through
Meteorlake.
Change-Id: I5addbcf37e0b1a1afbd731163b4419d4bd9a3747
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90747
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>