Fix misspellings collected by members of KJ list.

Fix the misspellings of "propogate", "writting" and (oh, the shame
:-) "kenrel" in the source tree.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/net/irda/donauboe.h b/drivers/net/irda/donauboe.h
index 2ab173d..1e67720f 100644
--- a/drivers/net/irda/donauboe.h
+++ b/drivers/net/irda/donauboe.h
@@ -113,7 +113,7 @@
 /* RxOver  overflow in Recv FIFO                                */
 /* SipRcv  received serial gap  (or other condition you set)    */
 /* Interrupts are enabled by writing a one to the IER register  */
-/* Interrupts are cleared by writting a one to the ISR register */
+/* Interrupts are cleared by writing a one to the ISR register */
 /*                                                              */
 /* 6. The remaining registers: 0x6 and 0x3 appear to be         */
 /*    reserved parts of 16 or 32 bit registersthe remainder     */