scsi: ufs: core: Add soft dependency on governor_simpleondemand

The ufshcd driver uses simpleondemand governor for devfreq. Add it to the
list of ufshcd softdeps to allow userspace initramfs tools like dracut to
automatically pull the governor module into the initramfs together with UFS
drivers.

Link: https://lore.kernel.org/r/20230220140740.14379-1-athierry@redhat.com


Signed-off-by: Adrien Thierry <athierry@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>