[U-Boot] [U-Boot, v2, 1/2] rockchip: configs: only add available BOOT_TARGET_DEVICES

[Philipp Tomsich]

> BOOT_TARGET_DEVICES should only be added if the corresponding u-boot
> command is enabled.
> 
> Signed-off-by: Klaus Goger <klaus.goger at theobroma-systems.com>
> ---
> 
> Changes in v2:
> - Add patch to series to prevent build errors if boards don't enable the
>   required u-boot command for distroboot
> 
>  include/configs/rockchip-common.h | 39 +++++++++++++++++++++++++++------------
>  1 file changed, 27 insertions(+), 12 deletions(-)
> 

Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>