nfc: mei_phy: get phy from the driver data

In order to remove rather redundant context from the callback
signature we the get nfc mei_phy from the driver's data.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>