neard: fix the install path in init scripts

The neard make scripts will place the daemon executable
in /usr/lib/neard/nfc/neard. Change the path accordingly
in init scripts.

Fixes [YOCTO #7390].

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>