drm/amdkfd: Fix kernel-doc syntax error

Fixed a kernel-doc error in the documentation of a function.
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_process.c

@@ -252,7 +252,7 @@ static void kfd_sdma_activity_worker(struct work_struct *work)
 }
 
 /**
- * @kfd_get_cu_occupancy() - Collect number of waves in-flight on this device
+ * @kfd_get_cu_occupancy - Collect number of waves in-flight on this device
  * by current process. Translates acquired wave count into number of compute units
  * that are occupied.
  *