libdrm: Update version from 2.4.82 to 2.4.83

Announcement [1]:

> Boyuan Zhang (1):
>       tests/amdgpu: add uvd encode unit tests
>
> Chih-Wei Huang (2):
>       android: add rules to build amdgpu.ids
>       android: amdgpu: fix build break
>
> Daniel Stone (1):
>       configure.ac: Bump version to 2.4.83
>
> Emil Velikov (1):
>       xf86drm: continue with next device if drmProcessUsbDevice fails
>
> Eric Engestrom (4):
>       radeon: add fallthrough annotation
>       freedreno: remove dead error path
>       freedreno/msm: remove dead error path
>       freedreno: prevent deadlock in error path
>
> Flora Cui (1):
>       test/amdgpu: fix test failure for SI
>
> Gurchetan Singh (1):
>       xf86drm: continue after drmProcessPlatformDevice failure
>
> Hawking Zhang (2):
>       tests/amdgpu: bypass UVD CS tests on raven
>       tests/amdgpu: bypass VCE tests on raven
>
> Jan Vesely (2):
>       amdgpu: Add FX-9800P Bristol Ridge iGPU id
>       drmsltest: Check expected neighbours
>
> Jason Ekstrand (1):
>       drm: Pull new modifier uapi into drm_fourcc and drm_mode
>
> Monk Liu (3):
>       amdgpu: fix missing mutex unlock before return
>       amdgpu: fix race issue between two bo functions(v2)
>       amdgpu: merge and cleanup amdgpu_bo_free
>
> Philipp Zabel (1):
>       etnaviv: fix etna_bo_from_name

[1] https://lists.freedesktop.org/archives/dri-devel/2017-August/151077.html

libdrm.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION libdrm-2.4.82-0
+# BEE_VERSION libdrm-2.4.83-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)