Merge tag 'rockchip-for-v2018.11-rc2' of git://git.denx.de/u-boot-rockchip

Rockchip-focused changes for v2018.11-rc2:
 - fixes to rkimage for SPL boot via USB
 - fixes to make_fit_atf.py, incl. entry-point calculation and python3
   compatibility
 - OP-TEE support for ARMv7-based SoCs
 - fixes to RGMII/GMII selection on the RK3328

Signed-off-by: Tom Rini <trini@konsulko.com>