cmd/compile: intrinsify runtime/internal/atomic.{And,Or} on AMD64

cmd/compile: intrinsify runtime/internal/atomic.{And,Or} on AMD64

These are identical to And8 and Or8, just using ANDL/ORL instead of
ANDB/ORB.

Change-Id: I99cf90a8b0b5f211fb23325dddd55821875f0c8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/263140
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>