drm/i915: Fix too few arguments to function i915_capture_error_state

If 'CONFIG_DRM_I915_CAPTURE_ERROR' not configured, there is an error
when compile the kernel:

drivers/gpu/drm/i915/gt/intel_reset.c:
	In function intel_gt_handle_error:
drivers/gpu/drm/i915/gt/intel_reset.c:1233:3:
	error: too few arguments to function i915_capture_error_state
   i915_capture_error_state(gt->i915);
   ^~~~~~~~~~~~~~~~~~~~~~~~
In file included
         from ./drivers/gpu/drm/i915/i915_drv.h:97:0,
         from ./drivers/gpu/drm/i915/display/intel_display_types.h:46,
         from drivers/gpu/drm/i915/gt/intel_reset.c:10:
./drivers/gpu/drm/i915/i915_gpu_error.h:267:20: note: declared here
 static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,

Fixes: 742379c0

 ("drm/i915: Start chopping up the GPU error capture")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113081942.15982-1-zhangxiaoxu5@huawei.com