Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

drivers/atm/iphase.c

@@ -1025,7 +1025,7 @@ static void desc_dbg(IADEV *iadev) {
 } 
   
   
-/*----------------------------- Recieving side stuff --------------------------*/  
+/*----------------------------- Receiving side stuff --------------------------*/  
  
 static void rx_excp_rcvd(struct atm_dev *dev)  
 {  
@@ -1195,7 +1195,7 @@ static void rx_intr(struct atm_dev *dev)
   if (status & RX_PKT_RCVD)  
   {  
 	/* do something */  
-	/* Basically recvd an interrupt for receving a packet.  
+	/* Basically recvd an interrupt for receiving a packet.  
 	A descriptor would have been written to the packet complete   
 	queue. Get all the descriptors and set up dma to move the   
 	packets till the packet complete queue is empty..  
@@ -1855,7 +1855,7 @@ static int open_tx(struct atm_vcc *vcc)
                     return -EINVAL; 
                 }
                 if (vcc->qos.txtp.max_pcr > iadev->LineRate) {
-                   IF_CBR(printk("PCR is not availble\n");)
+                   IF_CBR(printk("PCR is not available\n");)
                    return -1;
                 }
                 vc->type = CBR;