[llvm] [AMDGPU][NewPM] Port SIPostRABundler to NPM (PR #123717)

[Matt Arsenault via llvm-commits]

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@@ -108,5 +108,6 @@ MACHINE_FUNCTION_PASS("si-opt-vgpr-liverange", SIOptimizeVGPRLiveRangePass())
 MACHINE_FUNCTION_PASS("si-optimize-exec-masking", SIOptimizeExecMaskingPass())
 MACHINE_FUNCTION_PASS("si-peephole-sdwa", SIPeepholeSDWAPass())
 MACHINE_FUNCTION_PASS("si-pre-allocate-wwm-regs", SIPreAllocateWWMRegsPass())
+MACHINE_FUNCTION_PASS("si-post-ra-bundler", SIPostRABundlerPass())
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arsenm wrote:

Alphabetical order 

https://github.com/llvm/llvm-project/pull/123717