From: Rob Herring <rob.herring at calxeda.com>

Now that the VIC initialization sets up the handle_arch_irq pointer, we
can remove it for all machines and make it static.

Signed-off-by: Rob Herring <rob.herring at calxeda.com>
Cc: Ryan Mallon <rmallon at gmail.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Hubert Feurstein <hubert.feurstein at contec.at>
Cc: Alessandro Rubini <rubini at unipv.it>
Cc: STEricsson <STEricsson_nomadik_linux at list.st.com>
Cc: Ben Dooks <ben-linux at fluff.org>
Cc: Kyungmin Park <kyungmin.park at samsung.com>
Cc: Shiraz Hashim <shiraz.hashim at st.com>
Cc: Rajeev Kumar <rajeev-dlh.kumar at st.com>
Acked-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Acked-by: Jamie Iles <jamie at jamieiles.com>
Acked-by: Linus Walleij <linus.walleij at linaro.org>
Acked-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
Acked-by: Viresh Kumar <viresh.kumar at linaro.org>
Acked-by: Kukjin Kim <kgene.kim at samsung.com>
Acked-by: Olof Johansson <olof at lixom.net>