[][Fix mtk eth driver compile error]

[Description]
Fix mtk eth driver compile error

[Release-log]
N/A

Change-Id: I7203cfbd0bb5cc6fada920cf1dbf4756d3d10f63
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5112807
diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 3922064..2650c93 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1246,8 +1246,8 @@
 
 int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np,
 		   u32 ana_rgc3);
-int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id);
-int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id,
+int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, unsigned int id);
+int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, unsigned int id,
 			       const struct phylink_link_state *state);
 void mtk_sgmii_restart_an(struct mtk_eth *eth, int mac_id);