intel: add INTEL_DEBUG=capture-all to capture everything upon hang

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewd-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18977>

src/intel/dev/intel_debug.c

@@ -93,6 +93,7 @@ static const struct debug_control debug_control[] = {
    { "task",        DEBUG_TASK },
    { "mesh",        DEBUG_MESH },
    { "stall",       DEBUG_STALL },
+   { "capture-all", DEBUG_CAPTURE_ALL },
    { NULL,    0 }
 };