feat(longan): add uart7 & 5000mA bat

huangcm

2025-07-03 5fc6eec0444a62f7a596240b200dd837059dba70

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eisenbach@google.com
elaurent@google.com
jpawlowski@google.com
malchev@google.com
smoreland@google.com
swillden@google.com
per-file include/hardware/camera*=etalvala@google.com