configs: roc-pc-rk3399: Enable rockchip efuse support

Enable efuse support which allows reading of the cpuid#, serial#
and also generates a unique mac address from the board's serial.

Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2 files changed