feat(build): add build lunch k5c and k5 support

lin

2025-01-04 be45768b193281917003531c55e9ebda9d2c2f99

 .gitignore
..
..
@@ -4,3 +4,4 @@
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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