coresight: Reset all activated sinks

When multi-sink enabled by userspace, all activated sink should be
deactivated in call reset interface.

Change-Id: Ie0c4f7bcda4adc1b0dc0d60e433e8c3f634568e2
Signed-off-by: Mulu He <muluhe@codeaurora.org>
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>