Merge remote-tracking branch 'origin/v3.3'

* origin/v3.3:
  read-hmid: report unknown pins better
  hm2_print_pin_file(): use find_module_name() instead of searching the list
  rename pin_find_module_name() to find_module_name()
  include gtag number of unknown gtags in pin list
  remove dead code
  7i96: fixup pins per connector
  don't segfault on unknown ethernet boards
  fix a typo in a comment
  fix SSR pin names
  fix sserial channel number in readhmid pin list
  rename the "Transformer" GTAG to "SSR", to match the linuxcnc hm2 driver
  7i96: make the connector list match the ioport list
  capitalize Ethernet consistently in --help message
  fix addr argument for ethernet boards in --help message
  consistent capitalization and punctuation in --help output
  fix formatting of --help output
  release 3.3.0~pre0+dfsg-0
  release mesaflash 3.2.1
  debian/changelog: new version
  pci_analog_write: include unistd.h, which declares usleep()
  sserial_module: declare sserial_write(), used by pci_analog_wri...