[PATCH 1/2] perf cs-etm: Reduce verbosity of ts_source warning

[Leo Yan]

On Wed, Mar 08, 2023 at 09:48:42AM +0000, James Clark wrote:
> This is printed as a warning but it is normal behavior that users
> shouldn't be expected to do anything about. Reduce the warning level to
> debug3 so it's only seen in verbose mode to avoid confusion.
> 
> Signed-off-by: James Clark <james.clark at arm.com>

Reviewed-by: Leo Yan <leo.yan at linaro.org