Bugfix - Update GrowattSPF.cpp

[TheHexaMaster]

Battery Power used wrong size. Correct is sigend 32BIT (SIZE_32BIT_S). Updated modbus second fragment size (from 3 to 4 pos).

Description

Please include a summary of the change and which issue is fixed.

How Has This Been Tested?

• Not applicable

Inverter type

SPF 6000 ES

Stick type

Lolin32

[TheHexaMaster]

Forget to secondary thing - sGrowattReadFragment_t{77, 80}; is wrong, right one shall be sGrowattReadFragment_t{77, 4};

[crasu]

Thank you for contribution.

Could you please fix the dco check by running:

git commit —amend —no-edit ---signoff

See:
https://www.secondstate.io/articles/dco/#:~:text=If%20you%20encounter%20a%20failing,the%20DCO%20check%20will%20pass.

Could you fix the format check by running:

docker build -t clang-format-lint github.com/DoozyX/clang-format-lint-action
docker run -it --rm --workdir /src -v $(pwd):/src clang-format-lint --clang-format-executable /clang-format/clang-format15 -r -i true SRC

[crasu]

Closing due to no response from OP.