[RESEND PATCH v10 4/7] fpga: sec-mgr: expose sec-mgr update errors

Extend the FPGA Security Manager class driver to include an update/error sysfs node that can be read for error information when a secure update fails. Signed-off-by: Russ Weight Reviewed-by: Tom Rix --- v10: - Rebased to 5.12-rc2 next - Updated Date and KernelVersion in ABI documentation v9:

[PATCH v10 4/7] fpga: sec-mgr: expose sec-mgr update errors

Extend the FPGA Security Manager class driver to include an update/error sysfs node that can be read for error information when a secure update fails. Signed-off-by: Russ Weight Reviewed-by: Tom Rix --- v10: - Rebased to 5.12-rc2 next - Updated Date and KernelVersion in ABI documentation v9: