[llvm] [AMDGPU][True16][MC] true16 for v_cmpx_xx_f16 (PR #123419)

[Brox Chen via llvm-commits]

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@@ -518,11 +518,11 @@ v_cmpx_eq_u64_e64 src_scc, exec
 v_cmpx_eq_u64_e64 0xaf123456, vcc
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broxigarchen wrote:

It seems both `v_cmp_eq_f16` and `v_cmpx_eq_f16` are missing. Removed `v_cmpx_eq_f16` from this patch and will open another patch to merge the missing two

https://github.com/llvm/llvm-project/pull/123419