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_write
  pci_encoder_read: include unistd.h, for usleep()
  serial_boards: add some missing declarations
  spi_boards: include unistd.h
  spi_boards: include ctype.h
  add missing return value in spi_boards_init()
  spi_boards: include eeprom.h
  eeprom_local: include pci/pci.h
  hostmot2: add some missing function declarations
  pci_boards: move pci_read() and pci_write() to before the first use in the file
  pci_boards: include sys/time.h
  anyio: include missing serial_boards.h
  include bitfile.h in eeprom.c, for print_bitfile_header()
  function declarations shouldn't be marked inline