dt-bindings: ingenic,x1000-cgu: Add audio clocks

Add bindings for audio-related clocks on the Ingenic X1000 SoC.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Link: https://lore.kernel.org/r/20221026194345.243007-5-aidanmacdonald.0x0@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/ingenic,x1000-cgu.h

@@ -50,5 +50,9 @@
 #define X1000_CLK_PDMA			35
 #define X1000_CLK_EXCLK_DIV512	36
 #define X1000_CLK_RTC			37
+#define X1000_CLK_AIC			38
+#define X1000_CLK_I2SPLLMUX		39
+#define X1000_CLK_I2SPLL		40
+#define X1000_CLK_I2S			41
 
 #endif /* __DT_BINDINGS_CLOCK_X1000_CGU_H__ */