UPSTREAM: coresight: etmx: Claim devices before use

Use the CLAIM tags to grab the device for self-hosted usage.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

(Upstream commit 68a147752d04da73e2786890d78317fc37e6a6a8).

Bug: 140266694
Change-Id: Iea73b23aed3cee51ad1fb9d5c3158f6c940b1dde
Signed-off-by: Yabin Cui <yabinc@google.com>