libcamera/base: Move utils to the base library

Move the utils functionality to the libcamera/base library.

Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/libcamera/controls.cpp

@@ -12,9 +12,10 @@
 #include <string>
 #include <string.h>
 
+#include <libcamera/base/utils.h>
+
 #include "libcamera/internal/control_validator.h"
 #include "libcamera/internal/log.h"
-#include "libcamera/internal/utils.h"
 
 /**
  * \file controls.h