ota差分包升級報錯：Invalid OTA package, missing scatter
[DESCRIPTION]
Error: Invalid OTA package, missing scatter
[SOLUTION]
MUST add -s ./device/mediatek/build/releasetools/mt_ota_from_target_file when making incremental package. Otherwise you will get error message
Error: Invalid OTA package, missing scatter
Quick command: Incremental package
./build/tools/releasetools/ota_from_target_files -s ./device/mediatek/build/releasetools/mt_ota_from_target_file --block -i /OTA/source.zip /OTA/target.zip update.zip