This patch updates the initialisation routines for the OMAP2 and OMAP3
boards so that they register their PMU IRQs with the PMU framework in
the Kernel.

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>