aty128fb: Use pci_dev pm_cap
aty128fb: Use pci_dev pm_cap

Use the already existing pm_cap variable in struct pci_dev for
determining the power management offset.  This saves the driver from
having to keep track of an extra variable.

Signed-off-by: Jon Mason <cac3dbc234078e69b21f0609d62c20cd232525f0@kudzu.us>
Cc: Paul Mackerras <19a0ba370c443ba08d20b5061586430ab449ee8c@samba.org>
Cc: Jean-Christophe Plagniol-Villard <9fc55922e47e21cb004bb878f69efa10ab51cf02@jcrosoft.com>
Cc: Tomi Valkeinen <e1ca4dbb8be1acaf20734fecd2da10ed1d46a9bb@ti.com>
Signed-off-by: Tomi Valkeinen <e1ca4dbb8be1acaf20734fecd2da10ed1d46a9bb@ti.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs