Include qemu/module.h where needed, drop it from qemu-common.h

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-4-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c
hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c;
ui/cocoa.m fixed up]
diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c
index e04d51b..4e9ff48 100644
--- a/hw/s390x/css-bridge.c
+++ b/hw/s390x/css-bridge.c
@@ -9,11 +9,13 @@
  * your option) any later version. See the COPYING file in the top-level
  * directory.
  */
+
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "hw/hotplug.h"
 #include "hw/sysbus.h"
 #include "qemu/bitops.h"
+#include "qemu/module.h"
 #include "hw/s390x/css.h"
 #include "ccw-device.h"
 #include "hw/s390x/css-bridge.h"