p/UnifySDK: Add patch that remove vendored cmock #60

This is not an atomic change, see next patch will pull upstream version

Origin: #47
Relate-to: SiliconLabsSoftware/z-wave-engine-application-layer#6
Relate-to: #60
Relate-to: SiliconLabsSoftware/z-wave-engine-application-layer#10
Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: rzr