dt-bindings: clock: sun55i-a523-ccu: Add missing NPU module clock

The main clock controller on the A523/T527 has the NPU's module clock.
It was missing from the original submission, likely because that was
based on the A523 user manual; the A523 is marketed without the NPU.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250911174710.3149589-2-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Author: wens

include/dt-bindings/clock/sun55i-a523-ccu.h

@@ -185,5 +185,6 @@
 #define CLK_FANOUT0		176
 #define CLK_FANOUT1		177
 #define CLK_FANOUT2		178
+#define CLK_NPU			179
 
 #endif /* _DT_BINDINGS_CLK_SUN55I_A523_CCU_H_ */