misc doc and kconfig typos

Fix various typos in kernel docs and Kconfigs, 2.6.21-rc4.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/filesystems/xip.txt b/Documentation/filesystems/xip.txt
index 6c0cef1..3cc4010 100644
--- a/Documentation/filesystems/xip.txt
+++ b/Documentation/filesystems/xip.txt
@@ -19,7 +19,7 @@
 directly from/to the memory backed storage device. For file mappings, the
 storage device itself is mapped directly into userspace.
 
-This implementation was initialy written for shared memory segments between
+This implementation was initially written for shared memory segments between
 different virtual machines on s390 hardware to allow multiple machines to
 share the same binaries and libraries.