staging: most: i2c: Fix a little doc-rot

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

drivers/staging/most/i2c/i2c.c:66: warning: Function parameter or member 'most_iface' not described in 'configure_channel'
drivers/staging/most/i2c/i2c.c:66: warning: Function parameter or member 'ch_idx' not described in 'configure_channel'
drivers/staging/most/i2c/i2c.c:66: warning: Excess function parameter 'iface' description in 'configure_channel'
drivers/staging/most/i2c/i2c.c:66: warning: Excess function parameter 'channel' description in 'configure_channel'
drivers/staging/most/i2c/i2c.c:121: warning: Function parameter or member 'most_iface' not described in 'enqueue'
drivers/staging/most/i2c/i2c.c:121: warning: Function parameter or member 'ch_idx' not described in 'enqueue'
drivers/staging/most/i2c/i2c.c:121: warning: Excess function parameter 'iface' description in 'enqueue'
drivers/staging/most/i2c/i2c.c:121: warning: Excess function parameter 'channel' description in 'enqueue'
drivers/staging/most/i2c/i2c.c:166: warning: Function parameter or member 'most_iface' not described in 'poison_channel'
drivers/staging/most/i2c/i2c.c:166: warning: Function parameter or member 'ch_idx' not described in 'poison_channel'
drivers/staging/most/i2c/i2c.c:166: warning: Excess function parameter 'iface' description in 'poison_channel'
drivers/staging/most/i2c/i2c.c:166: warning: Excess function parameter 'channel_id' description in 'poison_channel'

Cc: Greg Kroah-Hartman <[e-mail]>
Cc: Andrey Shvetsov <[e-mail]>
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/most/i2c/i2c.c

···
 
 /**
  * configure_channel - called from MOST core to configure a channel
- * @iface: interface the channel belongs to
- * @channel: channel to be configured
+ * @most_iface: interface the channel belongs to
+ * @ch_idx: channel to be configured
  * @channel_config: structure that holds the configuration information
  *
  * Return 0 on success, negative on failure.
···
 
 /**
  * enqueue - called from MOST core to enqueue a buffer for data transfer
- * @iface: intended interface
- * @channel: ID of the channel the buffer is intended for
+ * @most_iface: intended interface
+ * @ch_idx: ID of the channel the buffer is intended for
  * @mbo: pointer to the buffer object
  *
  * Return 0 on success, negative on failure.
···
 
 /**
  * poison_channel - called from MOST core to poison buffers of a channel
- * @iface: pointer to the interface the channel to be poisoned belongs to
- * @channel_id: corresponding channel ID
+ * @most_iface: pointer to the interface the channel to be poisoned belongs to
+ * @ch_idx: corresponding channel ID
  *
  * Return 0 on success, negative on failure.
  *