Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c
index 74ee172..b2ba9dc 100644
--- a/drivers/media/common/saa7146_i2c.c
+++ b/drivers/media/common/saa7146_i2c.c
@@ -161,7 +161,7 @@
 		msleep(SAA7146_I2C_DELAY);
 	}
 
-	/* if any error is still present, a fatal error has occured ... */
+	/* if any error is still present, a fatal error has occurred ... */
 	status = saa7146_i2c_status(dev);
 	if ( dev->i2c_bitrate != status ) {
 		DEB_I2C(("fatal error. status:0x%08x\n",status));
@@ -326,9 +326,9 @@
 			if ( 0 != err) {
 				/* this one is unsatisfying: some i2c slaves on some
 				   dvb cards don't acknowledge correctly, so the saa7146
-				   thinks that an address error occured. in that case, the
+				   thinks that an address error occurred. in that case, the
 				   transaction should be retrying, even if an address error
-				   occured. analog saa7146 based cards extensively rely on
+				   occurred. analog saa7146 based cards extensively rely on
 				   i2c address probing, however, and address errors indicate that a
 				   device is really *not* there. retrying in that case
 				   increases the time the device needs to probe greatly, so
@@ -365,7 +365,7 @@
 	DEB_I2C(("transmission successful. (msg:%d).\n",err));
 out:
 	/* another bug in revision 0: the i2c-registers get uploaded randomly by other
-	   uploads, so we better clear them out before continueing */
+	   uploads, so we better clear them out before continuing */
 	if( 0 == dev->revision ) {
 		__le32 zero = 0;
 		saa7146_i2c_reset(dev);