rockchip: rk3288: Use ft_system_setup instead of ft_board_setup

ft_board_setup() should be availble for use in board files but using it
in the rk3288 machine file blocks this functionality.

ft_system_setup() is the more appropriate function to use in a machine
definition.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2 files changed