Fix "can not" in Documentation and Kconfig

Randy brought it to my attention that in proper english "can not" should always
be written "cannot". I donot see any reason to argue, even if I mightnot
understand why this rule exists.  This patch fixes "can not" in several
Documentation files as well as three Kconfigs.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f9362ee..adb05de 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -629,7 +629,7 @@
 	depends on CPU_CP15_MMU
 	default y if !ARCH_EBSA110
 	help
-	  ARM processors can not fetch/store information which is not
+	  ARM processors cannot fetch/store information which is not
 	  naturally aligned on the bus, i.e., a 4 byte fetch must start at an
 	  address divisible by 4. On 32-bit ARM processors, these non-aligned
 	  fetch/store instructions will be emulated in software if you say