systemc: Define the nonstandard sc_event_queue_port typedef.

Used in the tests.

Change-Id: Ic4b4a313b2bd02e5cb3ec07c4f7ee79219728881
Reviewed-on: https://gem5-review.googlesource.com/11262
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/systemc/ext/channel/_using.hh

diff --git a/src/systemc/ext/channel/_using.hh b/src/systemc/ext/channel/_using.hh
index 307e89f..e582ea2 100644
--- a/src/systemc/ext/channel/_using.hh
+++ b/src/systemc/ext/channel/_using.hh
@@ -39,7 +39,9 @@
 using sc_core::sc_inout_clk;
 using sc_core::sc_out_clk;
 
+using sc_core::sc_event_queue_if;
 using sc_core::sc_event_queue;
+using sc_core::sc_event_queue_port;
 
 using sc_core::sc_fifo;
 

src/systemc/ext/channel/sc_event_queue.hh

diff --git a/src/systemc/ext/channel/sc_event_queue.hh b/src/systemc/ext/channel/sc_event_queue.hh
index aa2f72e..1cd3c01 100644
--- a/src/systemc/ext/channel/sc_event_queue.hh
+++ b/src/systemc/ext/channel/sc_event_queue.hh
@@ -33,6 +33,7 @@
 #include "../core/sc_interface.hh"
 #include "../core/sc_module.hh" // for sc_gen_unique_name
 #include "../core/sc_module_name.hh"
+#include "../core/sc_port.hh"
 #include "../core/sc_time.hh"
 #include "warn_unimpl.hh"
 
@@ -65,6 +66,10 @@
     virtual const sc_event &default_event() const;
 };
 
+// Nonstandard
+typedef sc_port<sc_event_queue_if, 1, SC_ONE_OR_MORE_BOUND>
+        sc_event_queue_port;
+
 } // namespace sc_core
 
 #endif  //__SYSTEMC_EXT_CHANNEL_SC_EVENT_QUEUE_HH__