gst1-imx: bump version to 0.11.1

Changelog:
(0.11.1)
- vpu: decoder: Keep track of unfinished gstvideo frames
- blitter fixes and enhancements
- ipu: All pages are now cleared when page flipping is used
- compositor: Added support for cropping input streams
- imxv4l2src fixes and enhancements
(0.11.0)
- new common codebase for rectangular regions and video canvases
- new blitter-based video sink with full support for vsync to
  eliminate tearing
- complete rewrite of blitter base code
- new compositor elements
- vpu: decoder: Memory leaks fixed
- vpu: encoder: Bitrate can now be set on the fly
- eglvivsink: In Wayland, window x/y coordinates are now supported
- several v4l2src fixes
(0.10.2)
- v4l2src: renamed imxv4l2src to imxv4l2videosrc to avoid name
  collisions with the FSL plugins
- v4l2src: Call the buffer pool baseclass stop() function (fixes
  segfaults)
- uniaudio: Create correct config header even if no codecs were found
- audio: new MP3 encoder element using the libfslcodec MP3 encoder
- g2d/ipu/pxp blitter sink: Respect aspect ratio also in 90/270 degree
  rotations
- pxp: Remove broken/unsupported formats
- eglvivsink: Fix double mutex unlock
- phys mem meta naming cleanup

Tested with the following commands:
 # gst-launch-1.0 playbin uri=file:///root/tears_of_steel_1080p.webm


 # gst-launch-1.0 filesrc location=/root/tears_of_steel_1080p.webm ! \
   matroskademux ! imxvpudec ! imxipuvideosink
 # gst-launch-1.0 filesrc location=/root/tears_of_steel_1080p.webm ! \
   matroskademux ! imxvpudec ! imxeglvivsink

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>