Sets plugged_cb to NULL when component removing to notify its consumers
: no further plugged status report is required.
Signed-off-by: NTzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200217105513.1.Icc323daaf71ad02f191fd8d91136b01b61eca5e3@changeidSigned-off-by: NMark Brown <broonie@kernel.org>