mesa: Upgrade 23.1.8 -> 23.2.1

mesa: Upgrade 23.1.8 -> 23.2.1

- update 0001-gallium-Fix-build-with-llvm-17.patch
- remove as added upstream:
0001-intel-Allow-using-intel_clc-from-the-system.patch
- intel clc build is currently broken with llvm 17, but that issue is also
present
  with mesa 23.1.8

https://gitlab.freedesktop.org/mesa/mesa/-/issues/9701
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24879
https://github.com/KhronosGroup/SPIRV-LLVM-Translator/issues/2153

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>