qcacmn: Add length check in ndp event handler

qcacld-2.0 to qcacld-3.0 propagation

Add length check to prevent the data overflow the wmi buffer. The
total length of data should not exceed max svc msg size.

CRs-Fixed: 2248879
Change-Id: I1543732fcfe0cb7e32f7175f7775c9550854cae8
1 file changed