spi: spi-sh: replace 'delay_usecs' with 'delay.value' in pr_debug

The 'delay_usecs' field is going away. The replacement for it is the
'delay' field. So, we should print the 'delay.value' value instead.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-5-aardelean@deviqon.com


Signed-off-by: Mark Brown <broonie@kernel.org>