const_structs.checkpatch: add phy_ops

All usages of phy_ops in include/linux uses const phy_ops * and all
instances of phy_ops in the kernel that are not const already can be made
const (patches have been posted for those separately).

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Link: https://lkml.kernel.org/r/20200824214132.9072-1-rikard.falkeborn@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index e9df9cc..cd45cb3 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -39,6 +39,7 @@
 nvkm_device_chip
 of_device_id
 pci_raw_ops
+phy_ops
 pipe_buf_operations
 platform_hibernation_ops
 platform_suspend_ops