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/scsi/pr-manager.c b/scsi/pr-manager.c
index d9f4e8c..ee43663 100644
--- a/scsi/pr-manager.c
+++ b/scsi/pr-manager.c
@@ -18,6 +18,7 @@
 #include "scsi/pr-manager.h"
 #include "trace.h"
 #include "qapi/qapi-types-block.h"
+#include "qemu/module.h"
 #include "qapi/qapi-commands-block.h"
 
 #define PR_MANAGER_PATH     "/objects"