READ SUPPORTED OPCODES. Update the signature to allow setting all of the
parameters to this command.
TESTS: Add some REPORT SUPPORTED OPCODES tests

Add a simple test that it works or is not implemented.

Add a RCTD test to verify that with this flag clear we get command descriptors without CTDP set  and with it set we get command descriptors with CTDP set and a timeout descriptor
TESTS: Improve the REPORT SUPPORTED OPCODES test for RCTD and also verify that
the returned timeout descriptors have the correct length.