khadas-vims-u-boot-2019.01-v1.7.5-release

VIM4:
1. Remove more unused environment variables
2. Improve bootargs setup
3. Setup boot source more earlier

VIM1S:
1. Improve bootargs setup
2. Setup boot source more earlier

khadas-vims-u-boot-2015.01-5.15-v1.7.5-release

VIM3:
1. Introduce a new 4GB DDR
2. Limit DDR frequency according to the datasheet
3. Improve bootargs setup

VIM3L:
1. Limit DDR frequency according to the datasheet
2. Improve bootargs setup

khadas-edges-u-boot-2017.09-v1.7.5-release

Edge2:
1. Merge upstream vendor tag 'linux-6.1-stan-rkr6'

khadas-vims-u-boot-2015.01-5.15-v1.7.4-release

VIM3/3L:
1. Support booting oowow from spi flash if function key is pressed

khadas-edges-u-boot-2017.09-v1.7.4-release

Edge2:
1. Merge upstream vendor tag 'linux-6.1-stan-rkr5'

khadas-vims-u-boot-2019.01-v1.7.3-release

VIM1S:
1. Fix sys-led not getting enabled on boot

VIM4/4N:
1. Remove some unused environment variables

khadas-vims-u-boot-2015.01-5.15-v1.7.3-release

1. Fix booting from fat partition from sdcard
2. Fix mmc fatfs load errors

khadas-edges-u-boot-2017.09-v1.7.3-release

1. Add V11 hardware version info

khadas-edges-u-boot-2017.09-v1.7.2-release

1. Add support for 1024x600 resolution
2. Fix boot logo display issue
3. Add hardware version detect support
4. Update vendor upstream patches (linux-6.1-stan-rkr4)