slimbus: stream: Fix htmldocs warnings

This patch fixes below warning during building htmldoc:
slimbus.h:352: warning: Function parameter or member 'name'
 not described in 'slim_stream_runtime'

This patch also removes documentation for state variable
in struct slim_stream_runtime which was redundant and removed.
Reported-by: Nkbuild test robot <lkp@intel.com>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/slimbus/slimbus.h

@@ -325,9 +325,8 @@ enum slim_transport_protocol {
 /**
  * struct slim_stream_runtime  - SLIMbus stream runtime instance
  *
- * @dev: Name of the stream
+ * @name: Name of the stream
  * @dev: SLIM Device instance associated with this stream
- * @state: state of stream
  * @direction: direction of stream
  * @prot: Transport protocol used in this stream
  * @rate: Data rate of samples *