objtool-core-2021-04-28

 - Standardize the crypto asm code so that it looks like compiler-generated
   code to objtool - so that it can understand it. This enables unwinding
   from crypto asm code - and also fixes the last known remaining objtool
   warnings for LTO and more.

 - x86 decoder fixes: clean up and fix the decoder, and also extend it a bit

 - Misc fixes and cleanups

Signed-off-by: Ingo Molnar <mingo@kernel.org>