OpenWrt on Tenda W307R

I have successfully installed OpenWrt Attitude Adjustment 12.09 on Tenda W307R Rev. V2.0. This HW is not described on OpenWrt HW list, but I have flashed it successfully with openwrt-ramips-rt305x-w306r-v20-squashfs-factory.bin.

BusyBox v1.19.4 (2013-03-15 02:26:13 UTC) built-in shell (ash)
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          |__| W I R E L E S S   F R E E D O M
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 ATTITUDE ADJUSTMENT (12.09, r36088)
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  * 1/4 oz Vodka      Pour all ingredients into mixing
  * 1/4 oz Gin        tin with ice, strain into glass.
  * 1/4 oz Amaretto
  * 1/4 oz Triple sec
  * 1/4 oz Peach schnapps
  * 1/4 oz Sour mix
  * 1 splash Cranberry juice
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root@OpenWrt:~# cat /proc/cpuinfo 
system type		: Ralink RT3052 id:1 rev:3
machine			: Tenda W306R V2.0
processor		: 0
cpu model		: MIPS 24KEc V4.12
BogoMIPS		: 212.58
wait instruction	: yes
microsecond timers	: yes
tlb_entries		: 32
extra interrupt vector	: yes
hardware watchpoint	: yes, count: 4, address/irw mask: [0x0000, 0x0388, 0x0e30, 0x0208]
ASEs implemented	: mips16 dsp
shadow register sets	: 1
kscratch registers	: 0
core			: 0
VCED exceptions		: not available
VCEI exceptions		: not available