Two new atomic instructs were recently added to the BPF ISA. Lets update our asm package to add the ability to decode them and emit them.

Links:

• torvalds/linux@8804423
• https://lore.kernel.org/all/cover.1741049567.git.yepeilin@google.com/
• [BPF] Add load-acquire and store-release instructions under -mcpu=v4 llvm/llvm-project#108636