[PATCH 7/7] s390x: Use <gcc-macros.h> in early HWCAP check

[Florian Weimer]

* Joseph Myers:

> The "elf: Move _dl_setup_hash to its own file" change (commit 
> c90363403b57b3b7919061851cb3e6d9c85e784a) appears to have broken the build 
> for MIPS (all ABIs).

Sorry, I didn't run a full build of a glibcs this time. 8-/

I did check that ELF_MACHINE_XHASH_SETUP was defined in mips
<ldsodefs.h>, but missed its macro dependency.

I'm build-testing a patch right now, will post it once it finishes
building.

Thanks,
Florian