spmi: pmic_arb: Add qpnp-int controller unregistration call

Upon device removal, we should take care to unregister the
controller from qpnp-int so that qpnp-int doesn't make bad
assumptions that the controller is still there.

Change-Id: I06f5994d5f8c457c178edc9b68d92855f48535e3
Signed-off-by: Michael Bohan <mbohan@codeaurora.org>
1 file changed