[][kernel][mt7988][eth][Add maximum power definition for SFP+]

[Description]
Add maximum power definition for SFP+.

If without this patch, SFP framework cannot enable high power mode
for high power modules.

[Release-log]
N/A


Change-Id: I89e6f1a813dad24dd727c85c2ac3feddefa7165a
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7020870
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
index bd6a96f..d6c7237 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
@@ -83,6 +83,7 @@
 		i2c-bus = <&i2c1>;
 		mod-def0-gpios = <&pio 35 1>;
 		tx-disable-gpios = <&pio 29 0>;
+		maximum-power-milliwatt = <3000>;
 	};
 
 	sfp_esp1: sfp@1 {
@@ -90,6 +91,7 @@
 		i2c-bus = <&i2c2>;
 		mod-def0-gpios = <&pio 82 1>;
 		tx-disable-gpios = <&pio 36 0>;
+		maximum-power-milliwatt = <3000>;
 	};
 };