black_hole: provide Uplink service

Ref #4419

repos/os/recipes/pkg/black_hole/runtime

@@ -6,6 +6,7 @@
 		<capture/>
 		<event/>
 		<nic/>
+		<uplink/>
 	</provides>
 
 	<config>
@@ -14,6 +15,7 @@
 		<capture/>
 		<event/>
 		<nic/>
+		<uplink/>
 	</config>
 
 	<content>

repos/os/recipes/pkg/test-black_hole/runtime

@@ -30,6 +30,7 @@
 		<start name="black_hole" caps="100">
 			<resource name="RAM" quantum="1M"/>
 			<provides>
+				<service name="Uplink"/>
 				<service name="Nic"/>
 				<service name="Event"/>
 				<service name="Capture"/>
@@ -37,6 +38,7 @@
 				<service name="Audio_out"/>
 			</provides>
 			<config>
+				<uplink/>
 				<nic/>
 				<event/>
 				<capture/>
@@ -55,6 +57,7 @@
 		<start name="test-black_hole" caps="100">
 			<resource name="RAM" quantum="10M"/>
 			<route>
+				<service name="Uplink">    <child name="black_hole"/> </service>
 				<service name="Nic">       <child name="black_hole"/> </service>
 				<service name="Event">     <child name="black_hole"/> </service>
 				<service name="Capture">   <child name="black_hole"/> </service>

repos/os/recipes/src/black_hole/used_apis

@@ -4,4 +4,5 @@ audio_out_session
 capture_session
 event_session
 nic_session
+uplink_session
 os

repos/os/recipes/src/test-black_hole/used_apis

@@ -6,3 +6,4 @@ audio_out_session
 event_session
 capture_session
 nic_session
+uplink_session