coresight: Delete path from active paths when exception happens

The path will be released when fail to enable any sink or link. The
path must be deleted from active paths before release it. Otherwise
it will get invalid address of path when enable or disable the paths.

Change-Id: Id37fdbc3854bae414f043bd049bc6af2e90af5fa
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>