Staging: most: Fix typo in staging/most

This patch fix spelling typo found in most
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/Documentation/ABI/sysfs-class-most.txt

@@ -47,7 +47,7 @@ Date:		June 2015
 KernelVersion:	4.3
 Contact:	Christian Gromm <christian.gromm@microchip.com>
 Description:
-		Indicates the type of peripherial interface the current device
+		Indicates the type of peripheral interface the current device
 		uses.
 Users:
 

drivers/staging/most/hdm-dim2/Kconfig

@@ -9,7 +9,7 @@ config HDM_DIM2
 
 	---help---
 	  Say Y here if you want to connect via MediaLB to network transceiver.
-	  This device driver is platform dependent and needs an addtional
+	  This device driver is platform dependent and needs an additional
 	  platform driver to be installed. For more information contact
 	  maintainer of this driver.
 

drivers/staging/most/hdm-usb/hdm_usb.c

@@ -431,7 +431,7 @@ static void hdm_write_completion(struct urb *urb)
 }
 
 /**
- * hdm_read_completion - completion funciton for submitted Rx URBs
+ * hdm_read_completion - completion function for submitted Rx URBs
  * @urb: the URB that has been completed
  *
  * This checks the status of the completed URB. In case the URB has been
@@ -767,7 +767,7 @@ static int hdm_configure_channel(struct most_interface *iface, int channel,
 		tmp_val = conf->buffer_size / frame_size;
 		conf->buffer_size = tmp_val * frame_size;
 		dev_notice(dev,
-			   "Channel %d - rouding buffer size to %d bytes, "
+			   "Channel %d - rounding buffer size to %d bytes, "
 			   "channel config says %d bytes\n",
 			   channel,
 			   conf->buffer_size,