* Update spir-v.xml

* Update spir-v.xml

* Update spir-v.xml

* Register LLVM SPIR-V Backend as SPIR-V generator

* Change LLVM SPIR-V Backend vendor from "Intel" to "LLVM"

This is needed to add new features intercepting buffers content in
vksp.

Only for C and C++.

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

The unused portions hadn't been updated so were overlapping the reserved
ranges.

* SPV_EXT_replicated_composites

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

* Move Composite instructions to "Composite" class

* Fix instruction classes

---------

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

Adds support for [SPV_KHR_relaxed_extended_instruction](https://gitlab.khronos.org/spirv/spirv-extensions/-/merge_requests/250)

---------

Signed-off-by: Nathan Gauër <brioche@google.com>

* Enforce grammar naming conventions for aliases

Fixes #429

* Enforce Core -> KHR -> EXT -> Vendor conventions for aliased names
* Update grammar to satisfy these conventions and regenerate headers

* Prevent duplicate (token,name) pairs

The KHR suffix was missing. Fixing headers.

Signed-off-by: Nathan Gauër <brioche@google.com>

Specification: KhronosGroup/SPIRV-Registry#254


Change-Id: I9406eff3371f0c3061a867ea9e50428dfefba911

Signed-off-by: Kevin Petit <kevin.petit@arm.com>