feat(bat): fix real cap & add bat 8000mA 2.0A charge config

huangcm

2025-09-01 53d8e046ac1bf2ebe94f671983e3d3be059df91a

 .gitignore
..
..
@@ -4,3 +4,5 @@
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 longan/out/
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 android/device/softwinner/ceres-c3/fstab.sun50iw10p1.noverify
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+longan/device/.BoardConfig.mk
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+longan/device/config/chips/a133/configs/c3/sys_config.fex