drm/msm/sde: remove catalog caching from resource manager

Remove hardware catalog caching from the resource manager
hardware objects. Further, reducing the custom data stored
in the resource manager in anticipation of removing the RM's
custom hardware block representation.

Change-Id: I3e841158e6ff55f74f37856830628f44c20f3cab
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>