wcd_cpe_services: Fix error implicit conversion from enumeration

../sound/soc/codecs/wcd_cpe_services.c:667:17: error: implicit conversion from enumeration type 'enum cpe_svc_result' to different enumeration type 'enum cmi_api_result' [-Werror,-Wenum-conversion]
        notif.result = result;
                     ~ ^~~~~~
../sound/soc/codecs/wcd_cpe_services.c:1358:8: error: implicit conversion from enumeration type 'enum cpe_svc_result' to different enumeration type 'enum cpe_process_result' [-Werror,-Wenum-conversion]
                rc = cpe_send_msg_to_inbox(t_info, 0, m);
                   ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Change-Id: I9f66adc89f6ad95a723d14c7bbdad71ca6a2dcc4
Signed-off-by: Cykeek <Cykeek@proton.me>
Signed-off-by: improbir <ghosh_probir@yahoo.com>