arm64: dts: ti: k3-am642-phyboard-electra-rdk: Increase CAN max bitrate

The phyBOARD-Electra has two TCAN1044VDD CAN transceivers which
support CAN FD at 8 Mbps.

Increase the maximum bitrate to 8 Mbps.
Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240402160825.1516036-3-nmorrisson@phytec.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts

@@ -42,7 +42,7 @@ can_tc1: can-phy0 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&can_tc1_pins_default>;
 		#phy-cells = <0>;
-		max-bitrate = <5000000>;
+		max-bitrate = <8000000>;
 		standby-gpios = <&main_gpio0 32 GPIO_ACTIVE_HIGH>;
 	};
 
@@ -51,7 +51,7 @@ can_tc2: can-phy1 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&can_tc2_pins_default>;
 		#phy-cells = <0>;
-		max-bitrate = <5000000>;
+		max-bitrate = <8000000>;
 		standby-gpios = <&main_gpio0 35 GPIO_ACTIVE_HIGH>;
 	};