build from optee commit:
ca9b9a06 static ta: support store widevine keybox
update feature:
a7c49851 rk3126b/rk3126c: fix reboot bug for no ddr-reset-pin
bccd3587 rockchip: rk_atags: destroy atags only when atags header is valid
d415d1ac rockchip: rk_atags: add tag_atf_mem support
ecabd869 rockchip: rk_atags: add atags_stat()
Change-Id: I3341093d59e69ece6bf420d666ca0a9d9bfb2814
Signed-off-by: Hisping Lin <hisping.lin@rock-chips.com>