arch: hexagon: include: uapi: asm: setup.h add swith macro __KERNEL__
arch: hexagon: include: uapi: asm: setup.h add swith macro __KERNEL__

Define dummy '__init' instead of include "linux/init.h" if !__KERNEL__,
or can not pass checking. The related error (with allmodconfig under
hexagon):

    CHECK   include/asm (34 files)
  usr/include/asm/setup.h:22: included file 'linux/init.h' is not exported

Signed-off-by: Chen Gang <080e0242401949f8c1dfb399e414be816846daae@gmail.com>
Signed-off-by: Richard Kuo <5c405e4535fa35126dd73e0f658fb1523e5f9f8e@codeaurora.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs