OpenWrt for TL-MR100 V1

I have here an TL-MR100 V1
how can i help to add this device to openwrt
I already tried to compile multiple TL-MR6400 Images becaus ethe hardware is similar but it cant mount the EN25QH32B flash disk

[    0.442300] Creating 4 MTD partitions on "spi0.0":
[    0.447174] 0x000000000000-0x000000020000 : "boot"
[    0.455978] 0x000000020000-0x0000007c0000 : "firmware"
[    0.461271] mtd: partition "firmware" extends beyond the end of device "spi0.0" -- size truncated to 0x3e0000
[    0.473476] 0x0000007c0000-0x0000007d0000 : "config"
[    0.478587] mtd: partition "config" is out of reach -- disabled
[    0.487205] 0x0000007d0000-0x000000800000 : "factory"
[    0.492425] mtd: partition "factory" is out of reach -- disabled
[    0.546233] rt3050-esw 10110000.esw: mediatek esw at 0xb0110000, irq 25 initialized
[    0.554172] mtk_soc_eth 10100000.ethernet: generated random MAC address 9e:fe:52:c5:0d:6f
[    0.563203] mtk_soc_eth 10100000.ethernet eth0: mediatek frame engine at 0xb0100000, irq 5
[    0.573434] NET: Registered protocol family 10
[    0.583560] Segment Routing with IPv6
[    0.587407] NET: Registered protocol family 17
[    0.592071] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    0.605239] 8021q: 802.1Q VLAN Support v1.8
[    0.611599] /dev/root: Can't open blockdev
[    0.615776] VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6
[    0.623419] Please append a correct "root=" boot option; here are the available partitions:
[    0.631920] 1f00             128 mtdblock0
[    0.631925]  (driver?)
[    0.638561] 1f01            3968 mtdblock1
[    0.638565]  (driver?)
[    0.645189] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    0.653570] Rebooting in 1 seconds..