Add runtime version check in Ethos-U Op delegate

Ethos-U operator delegate doesn't have a runtime check to verify if it
is running with a compatible driver library. Add runtime version check
to verify this.

Signed-off-by: Rajasekaran Kalidoss <rajasekaran.kalidoss@arm.com>
Change-Id: Ia5526eec04d9a85ae41780ce1d6f98d6557774f2