u-boot-rockchip: update require path 2008.01
u-boot-rockchip: update require path 2008.01

The oe-core recipe was updated (2017.11 -> 2018.01), this recipe needs to be
updated to suit. Note, however, that this u-boot from rockchip is at version
2017.07.

Signed-off-by: Trevor Woerner <8835777cd84fba3d7873eabbbe1f2de2d3f25b00@gmail.com>

twoerner/meta-rockchip-twoerner,hizukiayaka/meta-rockchip,hizukiayaka/meta-rockchip,hizukiayaka/meta-rockchip,twoerner/meta-rockchip-twoerner