[PATCH] ARM64: dts: meson-gx: make efuse read-only

Jerome Brunet [off-list ref] writes:

efuse is one time programmable, so it is safer to deny write request
to this memory, unless the user is savvy enough to remove the read-only
flag from DTB

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Applied to v4.17/dt64,

Thanks,

Kevin