platform/x86: amd-pmc: put device on error paths

Put the PCI device rdev on error paths to fix potential reference count
leaks.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210121045005.73342-1-bianpan2016@163.com


Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>