spcom: abort server pending rx when SP reset (SSR) detected

An spcom server that is waiting for request, but has no client connected,
will not get RX-ABORT or REMOTE-DISCONNECT notification,
that should cancel the server pending rx operation.

Change-Id: I52f69ac4bd0b53c60e2115761569d967bb77ea0e
Signed-off-by: Amir Samuelov <amirs@codeaurora.org>