drm/i915/guc: Check for ct enabled while waiting for response

We are seeing error message of "No response for request". Some cases
happened while waiting for response and reset/suspend action was triggered.
In this case, no response is not an error, active requests will be
cancelled.

This patch will handle this condition and change the error message into
debug message.

Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220715211313.143645-1-zhanjun.dong@intel.com