dt-bindings: reset: add BCM63268 timer reset definitions

Add missing timer reset 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/20230322171515.120353-3-noltari@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

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

@@ -23,4 +23,8 @@
 #define BCM63268_RST_PCIE_HARD	17
 #define BCM63268_RST_GPHY	18
 
+#define BCM63268_TRST_SW	29
+#define BCM63268_TRST_HW	30
+#define BCM63268_TRST_POR	31
+
 #endif /* __DT_BINDINGS_RESET_BCM63268_H */