Fix typos in Documentation/: 'Q'-'R'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'Q'-'R'.

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/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt
index 3ec6c72..c70306a 100644
--- a/Documentation/MSI-HOWTO.txt
+++ b/Documentation/MSI-HOWTO.txt
@@ -267,7 +267,7 @@
 	vector reserved to avoid the case where some MSI-X capable
 	drivers may attempt to claim all available vector resources.
 
-z =	The number of MSI-X capable devices pupulated in the system.
+z =	The number of MSI-X capable devices populated in the system.
 	This policy ensures that maximum (x - y) is distributed
 	evenly among MSI-X capable devices.