bus: fsl-mc: dprc: Fix a couple of misspelling and formatting issues

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

 drivers/bus/fsl-mc/dprc.c:345: warning: Function parameter or member 'attr' not described in 'dprc_get_attributes'
 drivers/bus/fsl-mc/dprc.c:521: warning: Function parameter or member 'obj_type' not described in 'dprc_get_obj_region'

Cc: Stuart Yoder <stuyoder@gmail.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210617110500.15907-4-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/bus/fsl-mc/dprc.c

@@ -334,7 +334,7 @@ int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
  * @mc_io:	Pointer to MC portal's I/O object
  * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:	Token of DPRC object
- * @attributes	Returned container attributes
+ * @attr:	Returned container attributes
  *
  * Return:     '0' on Success; Error code otherwise.
  */
@@ -504,7 +504,7 @@ EXPORT_SYMBOL_GPL(dprc_set_obj_irq);
  * @mc_io:	Pointer to MC portal's I/O object
  * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:	Token of DPRC object
- * @obj_type;	Object type as returned in dprc_get_obj()
+ * @obj_type:	Object type as returned in dprc_get_obj()
  * @obj_id:	Unique object instance as returned in dprc_get_obj()
  * @region_index: The specific region to query
  * @region_desc:  Returns the requested region descriptor