qcacmn: Fix memory leak for invalid peer error

In dp_rx_null_q_desc_handle, if peer is invaild and no need to
deliver to the upper layer, the nbuf must be freed before recycle
the rx descriptor.

CRs-Fixed: 2153932
Change-Id: I1b373d1b5b50da42b896f0b2fd7bbd13b0e2466d
3 files changed