drm/amd/amdgpu/amdgpu_sync: Fix misnamed, missing and extra param descriptions

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c:86: warning: Function parameter or member 'f' not described in 'amdgpu_sync_get_owner'
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c:86: warning: Excess function parameter 'fence' description in 'amdgpu_sync_get_owner'
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c:182: warning: Excess function parameter 'adev' description in 'amdgpu_sync_vm_fence'
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c:203: warning: Function parameter or member 'adev' not described in 'amdgpu_sync_resv'

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c

@@ -78,7 +78,7 @@ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev,
 /**
  * amdgpu_sync_get_owner - extract the owner of a fence
  *
- * @fence: fence get the owner from
+ * @f: fence get the owner from
  *
  * Extract who originally created the fence.
  */
@@ -172,7 +172,6 @@ int amdgpu_sync_fence(struct amdgpu_sync *sync, struct dma_fence *f)
 /**
  * amdgpu_sync_vm_fence - remember to sync to this VM fence
  *
- * @adev: amdgpu device
  * @sync: sync object to add fence to
  * @fence: the VM fence to add
  *
@@ -190,6 +189,7 @@ int amdgpu_sync_vm_fence(struct amdgpu_sync *sync, struct dma_fence *fence)
 /**
  * amdgpu_sync_resv - sync to a reservation object
  *
+ * @adev: amdgpu device
  * @sync: sync object to add fences from reservation object to
  * @resv: reservation object with embedded fence
  * @mode: how owner affects which fences we sync to