clk: unlock for handling unregistered clock

If clock is already unregistered, it returns with holding lock.
It needs to be unlocked.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
[sboyd@codeaurora.org: Use goto instead]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
1 file changed