iopsys-econet: Add iop_eco_bootargs back to mi.conf

Since MAXARGS problem is solved there is no limit for cmdline bootargs.
Parameters added silently in the code are back in uboot env.

Signed-off-by: Bartlomiej Grzeskowiak <bartlomiej.grzeskowiak@iopsys.eu>

iopsys-econet/en7562/mi.conf

@@ -101,8 +101,9 @@ board_id=arcee
 rootfstype=squashfs
 mtdparts_squashfs=mtdparts=ECO-NAND:0x100000(u-boot),0x500000(boot1),0x500000(boot2),0x4600000(rootfs1),0x4600000(rootfs2),0xa00000(overlay1),0xa00000(overlay2),0x100000(jffs_test),0x3280000(ubi_container),0x180000(art)
 mtdparts_ubifs=mtdparts=ECO-NAND:0x100000(u-boot),0x500000(boot1),0x500000(boot2),0xd380000(ubi),0x180000(art)
-bootcmd=run iop_set_mtdblock_${rootfstype}\; setenv bootargs ${iop_gen_bootargs} ${iop_sys_bootargs}\; run iop_read_kernel\; bootm
+bootcmd=run iop_set_mtdblock_${rootfstype}\; setenv bootargs ${iop_gen_bootargs} ${iop_sys_bootargs} ${iop_eco_bootargs}\; run iop_read_kernel\; bootm
 iop_read_kernel=if test "${active_image}" = 1\; then flash read 0x100000 0x500000\; else flash read 0x600000 0x500000\; fi
+iop_eco_bootargs=qdma_init=33 serdes_sel=2
 iop_gen_bootargs=console=ttyS0,115200n8 earlycon init=/sbin/init
 iop_set_mtdblock_ubifs=setenv iop_sys_bootargs ubi.mtd=ubi mtdparts=${mtdparts_ubifs} root=ubi0:rootfs${active_image} rootfstype=ubifs
 iop_set_mtdblock_squashfs=if test "${active_image}" = 1\; then setenv iop_sys_bootargs mtdparts=${mtdparts_squashfs} root=/dev/mtdblock3 ro rootfstype=squashfs\; else setenv iop_sys_bootargs mtdparts=${mtdparts_squashfs} root=/dev/mtdblock4 ro rootfstype=squashfs\; fi