MFC r360228:

arm64: rockchip: Fix TSADC on RK3328

The TSADC familiy is a little bit more complex than V2 and V3.
Early revision do not use syscon and do not use qsel (RK3288).
Next revision still do not use syscon but uses qsel (RK3328).
Final revision use both.

Submitted by: peterj