dt-bindings: clock: add clock for MT2712

Add new clock according to 3rd ECO design change.
It's the parent clock of audio clock mux.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/mt2712-clk.h

@@ -228,7 +228,8 @@
 #define CLK_TOP_NFI2X_EN		189
 #define CLK_TOP_NFIECC_EN		190
 #define CLK_TOP_NFI1X_CK_EN		191
-#define CLK_TOP_NR_CLK			192
+#define CLK_TOP_APLL2_D3		192
+#define CLK_TOP_NR_CLK			193
 
 /* INFRACFG */