codeowners: Move wildcard entry to top

The wildcard entry needs moving to the top so other entries
override it

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

CODEOWNERS

@@ -1,3 +1,4 @@
+* @d3zd3z
 boot/boot_serial/ @nordicjm @de-nordic
 boot/bootutil/ @davidvincze
 boot/cypress/ @romanjoe
@@ -7,4 +8,3 @@ boot/nuttx/ @michallenc
 boot/zcbor/ @nordicjm @de-nordic
 boot/zephyr/ @nordicjm @de-nordic
 zephyr/ @nordicjm @de-nordic
-* @d3zd3z