Update to 0.2.906. Changes:

openchrome 0.2.906 (15/05/2012)
-------------------------------
* New features :
- VX900 Xv support.
- EXA is now the default although compositing is buggy and thus disabled.

* Bugfixes and enhancements :
- Fix I420 Xv surface on CME engine.
- Fix EXA to not require XAA module in X server.


openchrome 0.2.905 (10/02/2012)
-------------------------------
* New features :
- VX900 support (Xv not supported yet).
- VX855 XVideo support.

* Bugfixes and enhancements :
- More debug information to video decoding.
- Add secondary FIFO support for K8M890 and P4M890.
- Check the primary FIFO for VX855.
- Add panel scale support for CLE266 and KM400.
- Fix bug with malloc.
- Enabled new mode switch for PM800 chipset.
- Add option to enable unaccelerated RandR rotation ("SWRandR").
- Enable new mode switch for VM800 chipsets.
- More debug traces to via_video.c.
- Fix manual and add more comments.
- Fix start address.
- Optimization of the hardware accelerated cursor and XAA (K8M890 chipset).
- Code clean up.
- Fix bug with suspend and VT switch on VX800 chipset and 64bit systems.
- Synchronize via_drm.h with drm-2.4.17.
- Fix segfaults with EXA and XV.
- Fix build on old kernels.
- Replace RegionsEqual with REGION_EQUAL and use
  the xf86XVFillKeyHelperDrawable instead of xf86XVFillKeyHelper.
- Fix DFP parameter description for the ActiveDevice option.
- Manpage update and some minor changes.
- Set colorkey for 2nd_monitor.
- Add timeouts to HQV while loops.
- Improve 2d performance on chipsets without AGP/PCIe.
- Add option I2CDevices.
- Disable Hardware Clipping for the VX855.
- Re-Enable the VQ for VX800/VX855.
- Disable AGP and DMA by default for VX800 and VX855.
- Fixed freeze on 64bit system for K8M800 chipset.
- Increase bandwidth to handle 1920x1200 resolution with DDR266.
- Fix XV crash on PM800 post VX855 rework.
- Fix several typo in code comments.
- Update VX855 FIFO.
- Fix bug with TV out flickering.
- Replace the deprecated functions with new ones.
  Refer to "/xserver/include/os.h".
- Replace remaining xalloc to malloc.
- Change maximum line pitch and virtual height according to chipset.
- Update 1024x600 modeline.
- Add workaround for memory autodetection.
- Enable new mode switch and panel support on K8M800 and VM800.
- Fix type in VIASave.
- Use DRICreatePCIBusID when available to create Bus ID string.
- Restore video interrupt flag.
- Fix OpenGL application crash on VX900 chipset.
- Fix VIA VB8001 Mini-ITX Board (P4M900) support.
- Add workaround for bad memory detection on some P4M800.
- Fix resolution detection for OLPC 1.5.
- Fix Xvideo crash on X.Org server 1.10.
- Fix XAA displaying issues.
- Fix cursor garbare after suspend/hibernate/resume on VX855/VX900.
- Workaround EXA crash with new libcairo2.
- Handle X server 1.12 (videoabi 12).
- Add support for I420 Xv surface.
- Limit video RAM size to 256 MB, PCI BAR can't handle more.
- Add Harald Welte's registers dump tool.

* New boards :
- ASRock PV530, ECS P4M800PRO-M2 (V2.0) , FIC CE2A1, FIC PTM800Pro LF,
  Guillemot-Hercules ECafe EC900B, Hewlett Packard DX2020,
  Hewlett Packard t5550 Thin Client, Lenovo ThinkCenter E51 8714,
  MSI K8M890M2-V, MSI PM8M-V, MSI PM9M-V, OLPC XO 1.5,
  Semp Informática Notebook IS 1462, Sharp Mebius PC-CS30H, Siragon
  ML-6200, Twinhead K15V
Updated x11/xf86-video-openchrome to 0.2.906
Make libchamplain optional. No change to default package, so no PKGREVISION
bump.
Describe libchamplain option.
Updated to 1.4.1 - fixes CVE-2013-2028
Updated to version 1.5.0 - fixes CVE-2013-2028
Updated www/nginx to 1.4.1
Updated www/nginx-devel to 1.5.0
DESTDIR support.