util: move declarations out of qemu-common.h

Move declarations out of qemu-common.h for functions declared in
utils/ files: e.g. include/qemu/path.h for utils/path.c.
Move inline functions out of qemu-common.h and into new files (e.g.
include/qemu/bcd.h)

Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/monitor.c b/monitor.c
index 3533602..955ed35 100644
--- a/monitor.c
+++ b/monitor.c
@@ -78,6 +78,7 @@
 #include "qmp-introspect.h"
 #include "sysemu/block-backend.h"
 #include "sysemu/qtest.h"
+#include "qemu/cutils.h"
 
 /* for hmp_info_irq/pic */
 #if defined(TARGET_SPARC)