Fix typos in Documentation/: 'N'-'P'

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

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/scsi/aic79xx.txt b/Documentation/scsi/aic79xx.txt
index 382b439..2084ad5 100644
--- a/Documentation/scsi/aic79xx.txt
+++ b/Documentation/scsi/aic79xx.txt
@@ -94,7 +94,7 @@
         - Add support for scsi_report_device_reset() found in
           2.5.X kernels.
         - Add 7901B support.
-        - Simplify handling of the packtized lun Rev A workaround.
+        - Simplify handling of the packetized lun Rev A workaround.
         - Correct and simplify handling of the ignore wide residue
           message.  The previous code would fail to report a residual
           if the transaction data length was even and we received