[PATCH] ARM: OMAP: don't build hwspinlock in vain

[Tony Lindgren]

* Ohad Ben-Cohen <ohad at wizery.com> [120304 02:34]:
> Cleanup: don't build mach-omap2/hwspinlock.c if the OMAP hwspinlock
> driver isn't configured.
> 
> This will both shorten build time and avoid registering a device
> which isn't needed.

Thanks applying into fixes-non-critical-part2.

Tony