This update fixes the following issues with Mesa, xf86-video-intel and glamor:
- Mesa:
+ bnc#852210: Update to version 9.2.3
* st/mesa: move out of memory check in st_draw_vbo()
* osmesa: fix broken triangle/line drawing when using float color buffer
* Remove error when calling glGenQueries/glDeleteQueries while a query is active
* i965: CS writes/reads should use I915_GEM_INSTRUCTION
* i965: Fix texture buffer rendering after a whole buffer replacement.
* i965: Emit post-sync non-zero flush before 3DSTATE_GS_SVB_INDEX.
* i965: Emit post-sync non-zero flush before 3DSTATE_DRAWING_RECTANGLE.
* i965: Also guard 3DSTATE_DRAWING_RECTANGLE with a flush in blorp.
* i965: Move post-sync non-zero flush for 3DSTATE_MULTISAMPLE.
* i965: Also emit HIER_DEPTH and STENCIL packets when disabling depth.
* i965: Also emit HiZ and Stencil packets when disabling depth on Gen6.
* wayland: Don't rely on static variable for identifying wl_drm buffers
* radeonsi: fix blitting the last 2 mipmap levels of compressed textures
* meta: enable vertex attributes in the context of the newly created array object
* mesa: fixes for MSVC 2013
+ Add support for m68k

- xf86-video-intel:
+ bnc#852620: Fix corrupted output with Emacs and others
+ rebuild against current Mesa version

- glamor:
+ rebuild against current Mesa version