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/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 06cdece..f62f5c9 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -136,7 +136,7 @@
 	"add3	"reg0", "addr", #0x2000;		\n\t"	\
 	"ld	"reg0", @"reg0";			\n\t"	\
 	"unlock	"reg0", @"reg1";			\n\t"
-	/* FIXME: This workaround code cannot handle kenrel modules
+	/* FIXME: This workaround code cannot handle kernel modules
 	 * correctly under SMP environment.
 	 */
 #else	/* CONFIG_CHIP_M32700_TS1 */