coresight: fix the debug AMBA bus name

The right debug AMBA bus name should be APB(Advanced Peripheral Bus),
so just fix it.

Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 7af8792b4d3ad94774fb40f422fa245ab3755bb4)
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>