devlist-sh/Makefile: add STANDALONE parameter

for testing devlist-sh without installing it.
devlist-sh: include driver info in pcilist output

Future releases of TLP will include driver info in tlp-pcilist,
update devlist-sh to reflect this change.

See also linrunner/TLP@1284feb4ff7a57895f2eda4ab4d4c8629ba4ace2