llvm-project

428fc2c8 - [NFC][HLSL][RootSignature] Make the Lexer adhere to naming conventions (#134136)

[NFC][HLSL][RootSignature] Make the Lexer adhere to naming conventions (#134136) - when developing the RootSignatureLexer library, we are creating new files so we should set the standard to adhere to the coding conventions for function naming - this was missed in the initial review but caught in the review of the parser pr [here](https://github.com/llvm/llvm-project/pull/133302#discussion_r2017632092) Co-authored-by: Finn Plummer <finnplummer@microsoft.com>