Restructure the hibernate/suspend code to allow workarounds for the
controller boot differences.

Newer controllers have subtle differences in the way that they boot up.

Link: https://lore.kernel.org/r/164375214859.440833.14683009064111314948.stgit@brunhilda.pdev.netReviewed-by: NMike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: NScott Benesh <scott.benesh@microchip.com>
Reviewed-by: NScott Teel <scott.teel@microchip.com>
Signed-off-by: NKevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: NDon Brace <don.brace@microchip.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>