i965: Define HW-binding table and resource streamer control opcodes

i965: Define HW-binding table and resource streamer control opcodes

v2: Use macros for HW binding table edits (Topi)
v3: Add Broadwell support.
v4: Make hardware binding table bit definitions even more clearer (Ken)

Cc: kenneth@whitecape.org
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>