msm: kgsl: Make TZ usage depend on general SCM availability

SECURE_IO was an 8660 dependency, not a multi-platform feature.

Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>
Signed-off-by: Ronny Schmatzler <schmatzler@googlemail.com>
msm: kgsl: add new adreno225 registers to context switching

Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
Signed-off-by: Ronny Schmatzler <schmatzler@googlemail.com>