wifi: use new config name "radio2g" instead of "radio0"

8 jobs for SE-fix-wifi-radio-5GHz-2GHz in 248 minutes and 9 seconds (queued for 40 seconds)
Status Name Job ID Coverage
  Build
passed build:ar71xx.generic #4026
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00:57:12

passed build:ar71xx.tiny #4025
docker

00:12:27

passed build:ipq40xx #4031
docker

00:27:19

passed build:lantiq #4030
docker

00:12:48

passed build:ramips #4029
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00:59:25

passed build:x64 #4028
docker

00:42:39

passed build:x86 #4027
docker

00:31:20

 
  Deploy
passed build:finish #4032
docker

00:04:55