lenovo-a6000/a6010: move to community

2 more MSM8916-based devices with relatively nice hardware support like other devices from community section

• Lenovo A6000
  • https://wiki.postmarketos.org/wiki/Lenovo_A6000_(lenovo-a6000)
• Lenovo A6010
  • https://wiki.postmarketos.org/wiki/Lenovo_A6010_(lenovo-a6010)
  • currently lacks of charging (battery status works) and OTG VBUS support, otherwise status is same to A6000

This MR also reduces phosh scaling factor from 2 to 1.8 as some menus were impossible to use