UPSTREAM: coresight: use put_device() instead of kfree()

Never directly free @dev after calling device_register(), even
if it returned an error. Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

(Upstream commit a7082daac85231ddbb0502d777455756e4e3e69d).

Bug: 140266694
Change-Id: I50e535126a509e13b18d1cb53af167493fe59534
Signed-off-by: Yabin Cui <yabinc@google.com>