fix(bw): putsChn() should return always channel number #11895

Job	Run time
Run tests (x9dp2019)	2m 46s
Run tests (tx16s)	5m 2s
Run tests (nv14)	5m 3s
Run tests (el18)	5m 19s
Run tests (pl18)	5m 3s
Run tests (pl18ev)	4m 57s
Run tests (t12)	2m 42s
Run tests (t12max)	3m 2s
Run tests (t15)	5m 11s
Run tests (t16)	5m 17s
Run tests (t18)	5m 19s
Run tests (t8)	2m 36s
Run tests (tlite)	2m 39s
Run tests (t20)	2m 46s
Run tests (t14)	3m 1s
Run tests (t20v2)	2m 52s
Run tests (tx12)	2m 49s
Run tests (x10)	5m 18s
Run tests (x12s)	5m 21s
Run tests (x7)	2m 51s
Run tests (x9d)	2m 53s
Run tests (x9dp)	2m 39s
Run tests (x9e)	2m 41s
Run tests (x9lite)	2m 38s
Run tests (x9lites)	2m 35s
Run tests (xlite)	2m 49s
Run tests (xlites)	2m 36s
Run tests (mt12)	2m 55s
Run tests (gx12)	3m 0s
Run tests (nb4p)	4m 56s
Run builds (nv14;el18)	5m 40s
Run builds (pl18;pl18ev)	5m 19s
Run builds (t12;t12max)	2m 31s
Run builds (t15;t16;t18)	9m 13s
Run builds (t8;zorro;pocket;mt12;commando8)	5m 25s
Run builds (tlite;tpro;tprov2;tpros;bumblebee;lr3pro)	5m 57s
Run builds (t20;t20v2;t14)	3m 32s
Run builds (tx12;tx12mk2;boxer;gx12)	4m 31s
Run builds (tx16s)	3m 13s
Run builds (f16)	3m 14s
Run builds (v16)	3m 10s
Run builds (x10;x10express)	5m 35s
Run builds (x12s)	3m 15s
Run builds (x7;x7access)	2m 33s
Run builds (x9d;x9dp;x9dp2019)	3m 29s
Run builds (x9e;x9e-hall)	2m 44s
Run builds (x9lite;x9lites)	2m 42s
Run builds (xlite;xlites)	2m 46s
Run builds (mt12;gx12)	2m 51s
Run builds (nb4p)	3m 13s
Package firmwares	6s
	3h 10m 35s

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