linux-phytec-ti

OMAP3: PM: Initialize IVA only if available

IVA device is not present in many OMAP3 variants.

This patch ensures that initialization is tied to
the presence of IVA on the device.

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>