arch/tile: enable interrupts in do_work_pending()

All the called functions expect interrupts to be enabled, and
now one of them has started to warn about it, so make it correct.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2012-10-12 15:38:54 -04:00
commit c19c6c954b