[U-Boot] [U-Boot, v6, 1/3] rockchip: firefly: Add some macros to enable the usb keyboard

[Philipp Tomsich]

> Add four macros of CONFIG_USB_KEYBOARD,CONFIG_DM_KEYBOARD,etc in the
> firefly-rk3288_defconfig,can support usb keyboard device when these four
> macros are enabled.
> 
> Signed-off-by: Leo Wen <leo.wen at rock-chips.com>
> Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>  configs/firefly-rk3288_defconfig | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Applied to u-boot-rockchip, thanks!