commit 7e8b9c1d upstream.

To allow the ftrace trampoline code to reuse the PLT entry routines,
factor it out and move it into asm/module.h.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>