[llvm] [X86,MC,test] Add encoding tests for ccmpbe (PR #102883)

[Freddy Ye via llvm-commits]

FreddyLeaf wrote:

> @FreddyLeaf Is the decoding test missing too?

yes, added in llvm/test/MC/Disassembler/X86/apx/ccmp.txt

https://github.com/llvm/llvm-project/pull/102883