backports: patches: avoid struct spi_delay usage

The struct spi_transfer got a new member "struct spi_delay delay" in
upstream commit bebcfd272df6 ("spi: introduce `delay` field for
`spi_transfer` + spi_transfer_delay_exec()"), use the older interface in
older kernel versions.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
1 file changed