net: mgmt: Make NET_MGMT_GET_* macros return meaningful values

They should return the same value as in NET_MGMT_LAYER and
NET_MGMT_LAYER_CODE.

Change-Id: Ia95adcd3b6b6aaf0ed29f3260bc54784ca532d8f
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed