[SPI] pybspi_transfer seems to send 0x55 reguardless of what was passed to the write call in edge cases

[fusspawn]

This issue has been raised based on the following forum post that contains more details: https://forum.pycom.io/topic/1260/spi-bug

Effects all boards. Various firmware versions
Description:
pybspi_transfer seems to send 0x55 reguardless of actual data provided in some cases.

[robert-hh]

I made a PR to fix that. It is clashed with another PR #241.
Edit: Oh, I see, that's you, Paul.

[robert-hh]

Fixed in branch release-candidate by the last merge of Christian.

[fusspawn]

Yup. Thanks robert. Nicely snuck in. :D - Ill close this issue for now.