trivial: fix then -> than typos in comments and documentation

- (better, more, bigger ...) then -> (...) than

Signed-off-by: Frederik Schwarzer <schwarzerf@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 8b2c619..e642c22 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -1203,7 +1203,7 @@
 	unsigned long flags;
 
 	/* Disable output DMA channel for the serial port in question
-	 * ( set to something other then serialX)
+	 * ( set to something other than serialX)
 	 */
 	local_irq_save(flags);
 	DFLOW(DEBUG_LOG(info->line, "disable_txdma_channel %i\n", info->line));
@@ -1266,7 +1266,7 @@
 	unsigned long flags;
 
 	/* Disable input DMA channel for the serial port in question
-	 * ( set to something other then serialX)
+	 * ( set to something other than serialX)
 	 */
 	local_irq_save(flags);
 	if (info->line == 0) {