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/block/raw-win32.c b/block/raw-win32.c
index bd07c93..fd23891 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -23,7 +23,7 @@
  */
 #include "qemu/osdep.h"
 #include "qapi/error.h"
-#include "qemu-common.h"
+#include "qemu/cutils.h"
 #include "qemu/timer.h"
 #include "block/block_int.h"
 #include "qemu/module.h"