Include less of the generated modular QAPI headers

In my "build everything" tree, a change to the types in
qapi-schema.json triggers a recompile of about 4800 out of 5100
objects.

The previous commit split up qmp-commands.h, qmp-event.h, qmp-visit.h,
qapi-types.h.  Each of these headers still includes all its shards.
Reduce compile time by including just the shards we actually need.

To illustrate the benefits: adding a type to qapi/migration.json now
recompiles some 2300 instead of 4800 objects.  The next commit will
improve it further.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-24-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[eblake: rebase to master]
Signed-off-by: Eric Blake <eblake@redhat.com>

hw/net/rocker/qmp-norocker.c

@@ -17,8 +17,8 @@
 
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "qmp-commands.h"
 #include "qapi/error.h"
+#include "qapi/qapi-commands-rocker.h"
 #include "qapi/qmp/qerror.h"
 
 RockerSwitch *qmp_query_rocker(const char *name, Error **errp)

hw/net/rocker/rocker.c

@@ -22,9 +22,9 @@
 #include "net/net.h"
 #include "net/eth.h"
 #include "qapi/error.h"
+#include "qapi/qapi-commands-rocker.h"
 #include "qemu/iov.h"
 #include "qemu/bitops.h"
-#include "qmp-commands.h"
 
 #include "rocker.h"
 #include "rocker_hw.h"

hw/net/rocker/rocker_fp.c

@@ -16,7 +16,7 @@
 
 #include "qemu/osdep.h"
 #include "net/clients.h"
-
+#include "qapi/qapi-types-rocker.h"
 #include "rocker.h"
 #include "rocker_hw.h"
 #include "rocker_fp.h"

hw/net/rocker/rocker_of_dpa.c

@@ -17,9 +17,9 @@
 #include "qemu/osdep.h"
 #include "net/eth.h"
 #include "qapi/error.h"
+#include "qapi/qapi-commands-rocker.h"
 #include "qemu/iov.h"
 #include "qemu/timer.h"
-#include "qmp-commands.h"
 
 #include "rocker.h"
 #include "rocker_hw.h"