[PATCH] host1x: bus.c: drop excess kernel-doc entry @key

[Randy Dunlap <rdunlap@xxxxxxxxxxxxx>]

Fix kernel-doc warning in host1x:

../drivers/gpu/host1x/bus.c:774: warning: Excess function parameter 'key' description in '__host1x_client_register'

Fixes: 0cfe5a6e758f ("gpu: host1x: Split up client initalization and registration")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-tegra@xxxxxxxxxxxxxxx
---
 drivers/gpu/host1x/bus.c |    1 -
 1 file changed, 1 deletion(-)

--- linux-next-20210625.orig/drivers/gpu/host1x/bus.c
+++ linux-next-20210625/drivers/gpu/host1x/bus.c
@@ -761,7 +761,6 @@ EXPORT_SYMBOL(host1x_client_exit);
 /**
  * __host1x_client_register() - register a host1x client
  * @client: host1x client
- * @key: lock class key for the client-specific mutex
  *
  * Registers a host1x client with each host1x controller instance. Note that
  * each client will only match their parent host1x controller and will only be