ARM: dts: sun7i: include correct ccu clock header

Including sun4i header instead of sun7i prevents using sun7i specific
defines.

Substitute header inclusion in sun7i-a20.dtsi using right one.
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -47,7 +47,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/thermal.h>
 #include <dt-bindings/dma/sun4i-a10.h>
-#include <dt-bindings/clock/sun4i-a10-ccu.h>
+#include <dt-bindings/clock/sun7i-a20-ccu.h>
 #include <dt-bindings/reset/sun4i-a10-ccu.h>
 
 / {