[PATCH] tpm: use to_pci_dev

Changes the container_of calls to 'to_pci_dev' as suggested previously.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>