ARM: dts: Add minimal clocks for dm814x

Use fixed clocks until we have a clock driver for the PLL.
The mux and divider composite clocks work the same way
as on dm816x and am335x.

Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index f3077e3..972c9c9 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -329,3 +329,5 @@
 		};
 	};
 };
+
+#include "dm814x-clocks.dtsi"