package/busybox: add dependency on dosfstools

dosfstools and busybox may each install mkfs.vfat, so dosfstools must
be installed before busybox.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit ca42df21110b5e32f76caea8d1664bdbf213be76)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/busybox/busybox.mk

@@ -32,6 +32,7 @@ BUSYBOX_DEPENDENCIES = \
 	$(if $(BR2_PACKAGE_DEBIANUTILS),debianutils) \
 	$(if $(BR2_PACKAGE_DIFFUTILS),diffutils) \
 	$(if $(BR2_PACKAGE_DOS2UNIX),dos2unix) \
+	$(if $(BR2_PACKAGE_DOSFSTOOLS),dosfstools) \
 	$(if $(BR2_PACKAGE_E2FSPROGS),e2fsprogs) \
 	$(if $(BR2_PACKAGE_FBSET),fbset) \
 	$(if $(BR2_PACKAGE_GAWK),gawk) \