Reset controller changes for v4.7
- add support for shared reset controls
- remove global variables from the lpc18xx driver
* tag 'reset-for-4.7' of git://git.pengutronix.de/git/pza/linux:
reset: lpc18xx: get rid of global variables for restart notifier
reset: Add support for shared reset controls
reset: Share struct reset_control between reset_control_get calls
reset: Make [of_]reset_control_get[_foo] functions wrappers
Signed-off-by: Olof Johansson <olof@lixom.net>