Linux updates

Signed-off-by: yang.wang <yang.wang@deepcomputing.io>

Update commit IDs and README.md.

Signed-off-by: yang.wang <yang.wang@deepcomputing.io>

version JH7110_VF2_6.6_v5.13.1 for JH7110 VisionFive2 board with 6.6 …

…kernel

version JH7110_VF2_515_v5.13.1 for JH7110 VisionFive2 board with 5.15…

… kernel

version JH7110_VF2_6.6_v5.12.0 for JH7110 VisionFive2 board with 6.6 …

…kernel

version JH7110_VF2_515_v5.12.0 for JH7110 VisionFive2 board with 5.15…

… kernel

version JH7110_VF2_6.1_v5.12.0 for JH7110 VisionFive2 board with 6.1 …

…kernel

version JH7110_VF2_515_v5.11.3 for VisionFive2 board with 5.15 kernel

version JH7110_VF2_6.1_v5.11.3 for VisionFive2 board with 6.1 kernel