[llvm] [LoongArch] Enable FeatureExtLSX for generic-la64 processor (PR #113421)

[Lu Weining via llvm-commits]

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@@ -1,13 +1,15 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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SixWeining wrote:

Same as llvm/test/CodeGen/LoongArch/target-abi-from-triple-edge-cases.ll

https://github.com/llvm/llvm-project/pull/113421