dt-bindings: clk: add BCM63268 timer clock definitions

Add missing timer clock definitions for BCM63268.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230322171515.120353-2-noltari@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/bcm63268-clock.h

@@ -27,4 +27,17 @@
 #define BCM63268_CLK_TBUS	27
 #define BCM63268_CLK_ROBOSW250	31
 
+#define BCM63268_TCLK_EPHY1		0
+#define BCM63268_TCLK_EPHY2		1
+#define BCM63268_TCLK_EPHY3		2
+#define BCM63268_TCLK_GPHY1		3
+#define BCM63268_TCLK_DSL		4
+#define BCM63268_TCLK_WAKEON_EPHY	6
+#define BCM63268_TCLK_WAKEON_DSL	7
+#define BCM63268_TCLK_FAP1		11
+#define BCM63268_TCLK_FAP2		15
+#define BCM63268_TCLK_UTO_50		16
+#define BCM63268_TCLK_UTO_EXTIN		17
+#define BCM63268_TCLK_USB_REF		18
+
 #endif /* __DT_BINDINGS_CLOCK_BCM63268_H */