Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index b001019..d5f923b 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -169,7 +169,7 @@
  * Added support for Linux 2.4.x kernels.
  *
  * Revision 3.77  2001/01/09 04:00:52  eokerson
- * Linetest will now test the line, even if it has previously succeded.
+ * Linetest will now test the line, even if it has previously succeeded.
  *
  * Revision 3.76  2001/01/08 19:27:00  eokerson
  * Fixed problem with standard cable on Internet PhoneCARD.
@@ -352,7 +352,7 @@
 		} else {
 			j->fsksize = 8000;
 			if(ixjdebug & 0x0200) {
-				printk("IXJ phone%d - allocate succeded\n", j->board);
+				printk("IXJ phone%d - allocate succeeded\n", j->board);
 			}
 		}
 	}
@@ -487,7 +487,7 @@
 8-9		Hardware Status Register			Read Only
 A-B		Hardware Control Register			Read Write
 C-D Host Transmit (Write) Data Buffer Access Port (buffer input)Write Only
-E-F Host Recieve (Read) Data Buffer Access Port (buffer input)	Read Only
+E-F Host Receive (Read) Data Buffer Access Port (buffer input)	Read Only
 ************************************************************************/
 
 static inline void ixj_read_HSR(IXJ *j)
@@ -4195,7 +4195,7 @@
 			ixj_WriteDSPCommand(0xE338, j);	/* Set Echo Suppresser Attenuation to 0dB */
 
 			/* Now we can set the AGC initial parameters and turn it on */
-			ixj_WriteDSPCommand(0xCF90, j);	/* Set AGC Minumum gain */
+			ixj_WriteDSPCommand(0xCF90, j);	/* Set AGC Minimum gain */
 			ixj_WriteDSPCommand(0x0020, j);	/* to 0.125 (-18dB) */
 	
 			ixj_WriteDSPCommand(0xCF91, j);	/* Set AGC Maximum gain */
diff --git a/drivers/telephony/ixj.h b/drivers/telephony/ixj.h
index 4c32a43..2c84113 100644
--- a/drivers/telephony/ixj.h
+++ b/drivers/telephony/ixj.h
@@ -1149,7 +1149,7 @@
 	unsigned int firstring:1; /* First ring cadence is complete */
 	unsigned int pstncheck:1;	/* Currently checking the PSTN Line */
 	unsigned int pstn_rmr:1;
-	unsigned int x:3;	/* unsed bits */
+	unsigned int x:3;	/* unused bits */
 
 } IXJ_FLAGS;