Added missing instructions for LLVM Opcodes coverage. It will help to
maintain TableGen scheduling information of AArch64 Neoverse V1.
Follow up of MR ##126703
This is a dispatch of new instructions of the big test:
V1-scheduling-info.s
I have created a new test for special instructions without scheduling
info in Software Optimization Guide: V1-misc-instructions.s
No more asm instruction comments to maintain.