rockchip: rk3399: Enable DISPLAY_CPUINFO

RK3288, RK3399 are now support cpu-info, so enable
DISPLAY_CPUINFO by default.

Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
24 files changed