Fix typos in Documentation/: 'H'-'M'

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

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

Documentation/video4linux/cx2341x/fw-osd-api.txt

@@ -97,7 +97,7 @@ Result[0]
 Result[1]
 	top left vertical offset
 Result[2]
-	bottom right hotizontal offset
+	bottom right horizontal offset
 Result[3]
 	bottom right vertical offset
 

Documentation/video4linux/et61x251.txt

@@ -80,7 +80,7 @@ Some of the features of the driver are:
   high compression quality (see also "Notes for V4L2 application developers"
   paragraph);
 - full support for the capabilities of every possible image sensors that can
-  be connected to the ET61X[12]51 bridges, including, for istance, red, green,
+  be connected to the ET61X[12]51 bridges, including, for instance, red, green,
   blue and global gain adjustments and exposure control (see "Supported
   devices" paragraph for details);
 - use of default color settings for sunlight conditions;

Documentation/video4linux/sn9c102.txt

@@ -85,7 +85,7 @@ Some of the features of the driver are:
   high compression quality (see also "Notes for V4L2 application developers"
   and "Video frame formats" paragraphs);
 - full support for the capabilities of many of the possible image sensors that
-  can be connected to the SN9C10x bridges, including, for istance, red, green,
+  can be connected to the SN9C10x bridges, including, for instance, red, green,
   blue and global gain adjustments and exposure (see "Supported devices"
   paragraph for details);
 - use of default color settings for sunlight conditions;