drm/msm/sde: list block interconnects as bitmasks

Need a consistent way to test block interconnects in hw layer.
Move cdm and lm connections to use unsigned long bitmasks.
Also consolidate hw layer destructor call apis naming.

Change-Id: Ib6b94689183c9b5babbf81936c6aeef448c6aef2
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>