dt-bindings: clock: renesas,r9a09g077/87: Add Ethernet clock IDs

Add clock definitions for Ethernet (ETCLK A-E) to both R9A09G077 and
R9A09G087 SoCs. These definitions are required for describing Ethernet
devices in DT.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250904071954.3176806-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: prabhakarlad

include/dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h

@@ -26,5 +26,10 @@
 #define R9A09G077_CLK_PCLKL		14
 #define R9A09G077_SDHI_CLKHS		15
 #define R9A09G077_USB_CLK		16
+#define R9A09G077_ETCLKA		17
+#define R9A09G077_ETCLKB		18
+#define R9A09G077_ETCLKC		19
+#define R9A09G077_ETCLKD		20
+#define R9A09G077_ETCLKE		21
 
 #endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G077_CPG_H__ */

include/dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h

@@ -26,5 +26,10 @@
 #define R9A09G087_CLK_PCLKL		14
 #define R9A09G087_SDHI_CLKHS		15
 #define R9A09G087_USB_CLK		16
+#define R9A09G087_ETCLKA		17
+#define R9A09G087_ETCLKB		18
+#define R9A09G087_ETCLKC		19
+#define R9A09G087_ETCLKD		20
+#define R9A09G087_ETCLKE		21
 
 #endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G087_CPG_H__ */