dev: Add a definition for VectorResetResponsePort.

This is just a simple extension of the regular ResetResponsePort, and
is useful if there is a collection of reset pins on a device.

Change-Id: I6ccb21e949d3a51bf8b788ffd23e4b2b02706da9
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67576
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Yu-hsin Wang <yuhsingw@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/dev/ResetPort.py

@@ -42,8 +42,15 @@ class ResetResponsePort(Port):
         super().__init__(RESET_RESPONSE_ROLE, desc)
 
 
-# VectorResetRequestPort presents a bank of artifact reset request
+# VectorResetRequestPort represents a bank of artifact reset request
 # ports.
 class VectorResetRequestPort(VectorPort):
     def __init__(self, desc):
         super().__init__(RESET_REQUEST_ROLE, desc, is_source=True)
+
+
+# VectorResetResponsePort represents a bank of artifact reset request
+# ports.
+class VectorResetResponsePort(VectorPort):
+    def __init__(self, desc):
+        super().__init__(RESET_RESPONSE_ROLE, desc)