soc: qcom: glink: Handle intents queued on intentless transports

The core currently just returns an error code if an intent is queued on
an intentless transport.

Instead, track the intent in the core, but do not notify the remote side
about it (as the transport cannot support it).

Change-Id: I6a88a3473c6e4f237cfc01631782c01d4f75009f
Signed-off-by: Steven Cahail <scahail@codeaurora.org>