Use new clang version, enable more OpenCL extensions, revert workarou…

…nds (AliceO2Group#6086)

* GPU: Clang has renamed the OpenCL extension name compared to the fix in the bug report

* GPU: This OpenCL option is no longer needed since it defaults to true in clang

* GPU: Do not include default OpenCL headers when only preprocessing (leads to double-include later)

* GPU: Use clang OpenCL extension for bitfields

* GPU: add some more type_trait functionality to GPUCommonTypeTraits

* GPU: Use RDHUtils also with C++4OpenCL

* GPU: Drop now obsolete GPURawData.h

Use new clang version, enable more OpenCL extensions, revert workarou…

…nds (AliceO2Group#6086)

* GPU: Clang has renamed the OpenCL extension name compared to the fix in the bug report

* GPU: This OpenCL option is no longer needed since it defaults to true in clang

* GPU: Do not include default OpenCL headers when only preprocessing (leads to double-include later)

* GPU: Use clang OpenCL extension for bitfields

* GPU: add some more type_trait functionality to GPUCommonTypeTraits

* GPU: Use RDHUtils also with C++4OpenCL

* GPU: Drop now obsolete GPURawData.h

DPL: drop unneeded header. (AliceO2Group#6068)

DPL: drop unneeded header. (AliceO2Group#6068)

[MCH] adapted page reader output spec to three-letters standard (Alic…

…eO2Group#6060)

SVertexer: use InputHelper, avoid global DataRequest var.

[MCH] adapted page reader output spec to three-letters standard (Alic…

…eO2Group#6060)

SVertexer: use InputHelper, avoid global DataRequest var.

Add pt dependent mass hisograms for mc task (AliceO2Group#6041)

Fix in GlobalTrackID::includesDet method