rs: change struct rs_state to contain all pipe addresses

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
driver: store calculated pipe addresses in struct etna_resource

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
driver: make use of calculated addresses

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
pe: make us of calculated addresses

With this commit the PE pipe addresses and the
RS pipe addresses are the same --> on a GC2000
the image is combined correctly.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
driver: use calulated address for TS_COLOR_SURFACE_BASE

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>