sunxi: gmac: Update bananapi fixup to the new CONFIG_TARGET_<BOARD> structure

The magic bit toucher needs to be updated to reflect the new board Kconfig structure

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/gmac.c

@@ -29,7 +29,7 @@ int sunxi_gmac_initialize(bd_t *bis)
 	 * need to set bits 10-12 GTXDC "GMAC Transmit Clock Delay Chain"
 	 * of the GMAC clk register to 3.
 	 */
-#ifdef CONFIG_BANANAPI
+#ifdef CONFIG_TARGET_BANANAPI
 	setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
 #endif