Remove HAVE_ASM_PPC_REL16 references

[Alan Modra]

On Fri, Mar 20, 2015 at 11:42:29AM -0400, Carlos O'Donell wrote:
> On 03/19/2015 06:34 AM, Alan Modra wrote:
> > Found when writing a testcase for the powerpc __tls_get_addr
> > optimization.
> >  
> > In bc0cdc498 the configure check for HAVE_ASM_PPC_REL16 was removed
> > on the grounds that the minimum binutils supports rel16 relocs.  This
> > is true, but not all references to HAVE_ASM_PPC_REL16 in the sources
> > were removed.
> > 
> > 	* config.h.in: Remove HAVE_ASM_PPC_REL16.
> > 	* sysdeps/powerpc/powerpc32/tls-macros.h: Remove HAVE_ASM_PPC_REL16
> > 	and false branch of conditional.
> > 	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:
> > 	Likewise.
> 
> LGTM. Alan, Please feel free to checkin this kind of obvious stuff,
> just mark your subject [COMMITTED] or something such that when we troll
> patchwork we can mark it done.

Thanks, now committed.

-- 
Alan Modra
Australia Development Lab, IBM