armv8: ls2080a: update eth prime

As per new PHY framework, DPNI naming convetion is no more used.
Use new naming convention.
Signed-off-by: NPrabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: NYork Sun <york.sun@nxp.com>

include/configs/ls2080aqds.h

@@ -374,7 +374,7 @@ unsigned long get_board_ddr_clk(void);
 #define XQSGMII_CARD_PHY4_PORT3_ADDR 0xf
 
 #define CONFIG_MII		/* MII PHY management */
-#define CONFIG_ETHPRIME		"DPNI1"
+#define CONFIG_ETHPRIME		"DPMAC1@xgmii"
 #define CONFIG_PHY_GIGE		/* Include GbE speed/duplex detection */
 
 #endif

include/configs/ls2080ardb.h

@@ -366,7 +366,7 @@ unsigned long get_board_sys_clk(void);
 #define AQR405_IRQ_MASK		0x36
 
 #define CONFIG_MII
-#define CONFIG_ETHPRIME		"DPNI1"
+#define CONFIG_ETHPRIME		"DPMAC1@xgmii"
 #define CONFIG_PHY_GIGE
 #define CONFIG_PHY_AQUANTIA
 #endif