ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move

Fix the issue:
tree:   git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git next/soc
head:   6ed05a2a
commit: af70fdc9 [4/8] Merge branch 'marco-timer-cleanup-rebase' of
git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel

 into next/soc
config: make ARCH=arm prima2_defconfig

All error/warnings:

>> arch/arm/mach-prima2/platsmp.c:20:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.
--
>> arch/arm/mach-prima2/common.c:15:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Xie ChanglongX <changlongx.xie@intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>