intel: aubinator: use different colors to signal batch start/end

intel: aubinator: use different colors to signal batch start/end

This makes the stream of commands a bit easier to read.

v2 (Ken): Use bold text on green headers for easier readability;
          swap the green and blue headers so the majority stay blue.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>