With the new ICM messaging there is need for find switch by route string
instead of link and depth. Add new function that makes it possible.
Signed-off-by: NRadion Mirchevsky <radion.mirchevsky@intel.com>
Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com>