llvm

4b300c3c - [cherry-pick] Translate MaximumRegisters MD through SPV_INTEL_maximum_registers (#22922)

[cherry-pick] Translate MaximumRegisters MD through SPV_INTEL_maximum_registers (#22922) Cherry-pick of https://github.com/KhronosGroup/SPIRV-LLVM-Translator/commit/ca3769b7071f875408ebef197bbc1edabc414248. I need this quickly to implement a new SYCL language feature. Signed-off-by: Nick Sarnie <nick.sarnie@intel.com> (cherry picked from commit 30a4e891e0977d6ff0535402434f9e3be3b1ca16)