The libcameraSourcePath and libcameraBuildPath helper functions are internal and specific to libcamera needs while operating with the meson build system. In preparation for the upcoming move of utils to a common library, move these helpers out of utils and into their own build unit. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Hirokazu Honda<hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>