main/linux-postmarketos-qcom-msm8916: upgrade to 5.14_rc7 (MR 2458)

- Rebase on v5.14-rc7
- Upstreamed more patches
- Enable Jack detection kctls for msm8916 devices
- Probably many other things I forgot :)

Device changes:
  - gt5 family:
    - Added fuel-gauge support
    - Added sensors (Accelerometer, Light)
    - gt510 - wifi variant reworked to use multiple common layers
      - gt510lte - Added support for LTE variant
    - gt58 - New device
      - gt58lte - Support for LTE variant
      - Feature parity with gt510
   - wingtech-wt88047 (Xioami Redmi 2):
     - Add additional boe-nt35521s panel driver
   - longcheer-l8150: Fix Jack detection