Revert "ALSA: pcm: Fix build error on m68k and others"

This reverts commit 52a7c86e which is
commit 467fd0e8 upstream.

It breaks the Android abi.  If it is required in the future, it can
come back in an abi-safe way.

Bug: 161946584
Change-Id: I0ce09586d61744bc184f602a84a4cfd0565641b3
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>