qcacmn: Don't encapsulate packets in htc_send_pkt

Avoid leaking pointers to freed stack memory by not enqueing packets
onto a stack local queue in htc_send_pkt
In particular, the packet was not being removed from the stack queue
when a dma map error occurs.

Change-Id: I4519a302b3d6cc19f52e8cefa71dbd750ede0a0b
CRs-Fixed: 2119792
2 files changed