ARM: dts: aspeed: bonnell: Remove MAC3

Bonnell is populated with only one ethernet controller.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230308222403.1848795-1-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

Author: Eddie James

arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts

@@ -884,16 +884,6 @@
 	use-ncsi;
 };
 
-&mac3 {
-	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_rmii4_default>;
-	clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>,
-		 <&syscon ASPEED_CLK_MAC4RCLK>;
-	clock-names = "MACCLK", "RCLK";
-	use-ncsi;
-};
-
 &wdt1 {
 	aspeed,reset-type = "none";
 	aspeed,external-signal;