Recent McBSP patches changed to allocating devices dynamically
and the check for OMAP_MAX_MCBSP_COUNT became unnecessary.

The check for OMAP_MAX_MCBSP_COUNT should have been removed with
the earlier McBSP patches in devices.c but was accidentally left
out.
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>