MAINTAINERS: Add QAPI schema modules to their subsystems

Add the relevant QAPI schema modules to section Audio, QMP, Tracing,
Cryptography.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201102081550.171061-2-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>

MAINTAINERS

@@ -1909,6 +1909,7 @@ Rocker
 M: Jiri Pirko <jiri@resnulli.us>
 S: Maintained
 F: hw/net/rocker/
+F: qapi/rocker.json
 F: tests/rocker/
 F: docs/specs/rocker.txt
 
@@ -2111,6 +2112,7 @@ S: Maintained
 F: audio/
 F: hw/audio/
 F: include/hw/audio/
+F: qapi/audio.json
 F: tests/qtest/ac97-test.c
 F: tests/qtest/es1370-test.c
 F: tests/qtest/intel-hda-test.c
@@ -2490,7 +2492,9 @@ F: monitor/monitor-internal.h
 F: monitor/qmp*
 F: monitor/misc.c
 F: monitor/monitor.c
+F: qapi/control.json
 F: qapi/error.json
+F: qapi/introspect.json
 F: docs/devel/*qmp-*
 F: docs/interop/*qmp-*
 F: scripts/qmp/
@@ -2551,6 +2555,7 @@ S: Maintained
 F: trace/
 F: trace-events
 F: docs/qemu-option-trace.rst.inc
+F: qapi/trace.json
 F: scripts/tracetool.py
 F: scripts/tracetool/
 F: scripts/qemu-trace-stap*
@@ -2610,6 +2615,7 @@ M: Daniel P. Berrange <berrange@redhat.com>
 S: Maintained
 F: crypto/
 F: include/crypto/
+F: qapi/crypto.json
 F: tests/test-crypto-*
 F: tests/benchmark-crypto-*
 F: tests/crypto-tls-*