Without RX and TX interrupt definitions, the omap_mcbsp_request will
fail on OMAP2430 and OMAP34xx for ports 3-5 since default io_type is
OMAP_MCBSP_IRQ_IO.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>