[PATCH] ARM: OMAP: omap edge trigger call updates

This switches over to using the standard ARM-Linux set_irq_type() call
instead of its OMAP-specific variant, and removes the OMAP variant.
It also tweaks the SMC driver to include a change requested by the
maintainer of that driver.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>