Use devm alloc call to allocate memory for spi controller data and
remove free calls from cleanup.
Signed-off-by: NKrishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/1637834152-32093-1-git-send-email-kyarlagadda@nvidia.comSigned-off-by: NMark Brown <broonie@kernel.org>