net: qrtr: smd: kfree svc_arr after use

If svc_arr is not freed once it is allocated, it can cause
memory leak issue.

kfree svc_arr to avoid memory leak.

Change-Id: Idfd963443673ffe303aed545503ce8e17f0d5d7b
Signed-off-by: Sarannya S <quic_sarannya@quicinc.com>