ARM: OMAP4: hwmod data: correct the idlemodes for spinlock

The spinlock module's SYSCONFIG register does not support
smart wakeup, so remove this flag from the idle modes in
the spinlock hwmod definition.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>