This upgrades user-space sdb code the new upstream commit.

This is the result of sdb-read on the switch, for the fpga area:

  wrs-192.168.16.242#sdb-read -l -m 0x100000@0x10000000 -e 0x70000 /dev/mem
  0000000000000651:e6a542c9 @ 00000000-0007ffff WB4-Crossbar-GSI
  0000000000000651:eef0b198 @ 00000000-0001ffff WB4-Bridge-GSI
  0000000000000651:e6a542c9 @ 00000000-0001ffff   WB4-Crossbar-GSI
  000000000000ce42:66cfeb52 @ 00000000-0000ffff   WB4-BlockRAM
  000000000000ce42:e2d13d04 @ 00010000-000100ff   WR-Periph-UART
  000000000000ce42:65158dc0 @ 00010100-000101ff   WR-Soft-PLL
  000000000000ce42:e503947e @ 00010200-0001021f   WB-SPI.Control
  000000000000ce42:441c5143 @ 00010300-000103ff   WB-GPIO-Port
  000000000000ce42:57494266 @ 00010400-000104ff   WB Simple Timer
  000000000000ce42:de0d8ced @ 00010500-000105ff   WR-PPS-Generator
  000000000000ce42:ba07b9d3 @ 00020000-0002ffff WRSW NIC
  0000000000000651:eef0b198 @ 00030000-00037fff WB4-Bridge-GSI
  0000000000000651:e6a542c9 @ 00030000-00037fff   WB4-Crossbar-GSI
  000000000000ce42:650c2d4f @ 00030000-000300ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00030400-000304ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00030800-000308ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00030c00-00030cff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00031000-000310ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00031400-000314ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00031800-000318ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00031c00-00031cff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00032000-000320ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00032400-000324ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00032800-000328ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00032c00-00032cff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00033000-000330ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00033400-000334ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00033800-000338ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00033c00-00033cff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00034000-000340ff   WR-Endpoint
  000000000000ce42:650c2d4f @ 00034400-000344ff   WR-Endpoint
  000000000000ce42:00000013 @ 00050000-000500ff WB-VIC-Int.Control
  000000000000ce42:a027fd6e @ 00051000-000510ff WR Tx Tstamp Unit
  000000000000ce42:2e8524c7 @ 00060000-0006ffff WRSW RTU
  000000000000ce42:441c5143 @ 00053000-000530ff WB-GPIO-Port
  000000000000ce42:123c5443 @ 00054000-000540ff WB-I2C-Master
  000000000000ce42:91446863 @ 00055000-000550ff WB Simple PWM
  000000000000ce42:53bf6e6f @ 00056000-000560ff WRSW TRU
  000000000000ce42:0c0a9cc1 @ 00057000-000570ff WRSW TATSU
  000000000000ce42:6c21e54e @ 00058000-000580ff WRSW PSTATS
  000000000000ce42:11f10474 @ 00059000-000590ff WRSW HWIU
  repo-url: git@ohwr.org:white-rabbit/wr-switch-hdl.git
  synthesis-name: WRS18p
    commit-id: 000000000000000000000000a98ffb3f
     tool-name: ISE
    tool-version: 0x00000145
    build-date: 20141002
    build-user: GDaniluk
  synthesis-name: general-cores
    commit-id: 000000000000000000000000aa9ff5ea
  synthesis-name: wr-cores
    commit-id: 0000000000000000000000000791d3ed

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>