INSTALL: update documentation for serial readers
INSTALL: update documentation for serial readers

- Update the documentation
- add a reference about the IDBridge CR30 that should use the
  "GemCoreSIMPro2" configuration argument.

hiranotaka/ccid-scr331-nttcom,LudovicRousseau/CCID,hiranotaka/ccid-scr331-nttcom,hiranotaka/ccid-scr331-nttcom,LudovicRousseau/CCID,hiranotaka/ccid-scr331-nttcom,LudovicRousseau/CCID