Prepare for better device categorization by moving everything to testing
subdir first.
[skip-ci]: chicken-egg problem: passing pmaports CI depends on pmbootstrap MR
depends on this MR
Related: postmarketos#16
* Add initial device support for Xiaomi Redmi Note 4 (xiaomi-mido)
* Update APKBUILD
* Update APKBUILD
* Wifi support for Xiaomi Redmi Note 4
* Update APKBUILD
* Download firmware from different repo for Xiaomi Redmi Note 4
* Split up cat line