habanalabs: update device status sysfs documentation

As device status was changed recently, we must update the
documentation as well.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

Documentation/ABI/testing/sysfs-driver-habanalabs

@@ -201,7 +201,18 @@ What:           /sys/class/habanalabs/hl<n>/status
 Date:           Jan 2019
 KernelVersion:  5.1
 Contact:        ogabbay@kernel.org
-Description:    Status of the card: "Operational", "Malfunction", "In reset".
+Description:    Status of the card:
+                "operational" - Device is available for work.
+                "in reset" - Device is going through reset, will be available
+                        shortly.
+                "disabled" - Device is not usable.
+                "needs reset" - Device is not usable until a hard reset will
+                        be initiated.
+                "in device creation" - Device is not available yet, as it is
+                        still initializing.
+                "in reset after device release" - Device is going through
+                        a compute-reset which is executed after a device release
+                        (relevant for Gaudi2 only).
 
 What:           /sys/class/habanalabs/hl<n>/thermal_ver
 Date:           Jan 2019