imx: remove board specific boot order from spl

boot order was added to handle both SD and eMMC. But commit
14d319b1 introduced to handle both eMMC and SD globally.
Signed-off-by: NParthiban Nallathambi <pn@denx.de>
Reviewed-by: NPeng Fan <peng.fan@nxp.com>

board/phytec/pcl063/spl.c

@@ -183,31 +183,6 @@ int board_mmc_init(bd_t *bis)
 	return 0;
 }
 
-void board_boot_order(u32 *spl_boot_list)
-{
-	u32 bmode = imx6_src_get_boot_mode();
-	u8 boot_dev = BOOT_DEVICE_MMC1;
-
-	switch ((bmode & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
-	case IMX6_BMODE_SD:
-	case IMX6_BMODE_ESD:
-		boot_dev = BOOT_DEVICE_MMC1;
-		break;
-	case IMX6_BMODE_MMC:
-	case IMX6_BMODE_EMMC:
-		boot_dev = BOOT_DEVICE_MMC2;
-		break;
-	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
-		boot_dev = BOOT_DEVICE_NAND;
-		break;
-	default:
-		/* Default - BOOT_DEVICE_MMC1 */
-		printf("Wrong board boot order\n");
-		break;
-	}
-
-	spl_boot_list[0] = boot_dev;
-}
 #endif /* CONFIG_FSL_ESDHC_IMX */
 
 void board_init_f(ulong dummy)