staging: brcm80211: Fix double include introduced by bad merge

A merge with Linus' tree added a double include of linux/interrupt.h.
Fix by removing one of the includes.

Signed-off-by: Daniel Morsing <daniel.morsing@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 file changed