Convert ISO-8859 files to UTF-8

There was a mix of UTF-8 and ISO-8859 files in the U-Boot source
tree, which could cause issues with the patchwork review system.
This commit converts all ISO-8859 files to UTF-8.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
diff --git a/drivers/video/ct69000.c b/drivers/video/ct69000.c
index ae219cc..3db614d 100644
--- a/drivers/video/ct69000.c
+++ b/drivers/video/ct69000.c
@@ -1,5 +1,5 @@
 /* ported from ctfb.c (linux kernel):
- * Created in Jan - July 2000 by Thomas Höhenleitner <th@visuelle-maschinen.de>
+ * Created in Jan - July 2000 by Thomas Höhenleitner <th@visuelle-maschinen.de>
  *
  * Ported to U-Boot:
  * (C) Copyright 2002 Denis Peter, MPL AG Switzerland
@@ -626,25 +626,25 @@
 
 /* that is the hardware < 69000 we have to manage
  +---------+  +-------------------+  +----------------------+  +--+
- | REFCLK  |__|NTSC Divisor Select|__|FVCO Reference Divisor|__|÷N|__
- | 14.3MHz |  |(NTSCDS) (÷1, ÷5)  |  |Select (RDS) (÷1, ÷4) |  |  |  |
+ | REFCLK  |__|NTSC Divisor Select|__|FVCO Reference Divisor|__|÷N|__
+ | 14.3MHz |  |(NTSCDS) (÷1, ÷5)  |  |Select (RDS) (÷1, ÷4) |  |  |  |
  +---------+  +-------------------+  +----------------------+  +--+  |
   ___________________________________________________________________|
  |
  |                                    fvco                      fout
  | +--------+  +------------+  +-----+     +-------------------+   +----+
  +-| Phase  |__|Charge Pump |__| VCO |_____|Post Divisor (PD)  |___|CLK |--->
- +-| Detect |  |& Filter VCO|  |     |  |  |÷1, 2, 4, 8, 16, 32|   |    |
+ +-| Detect |  |& Filter VCO|  |     |  |  |÷1, 2, 4, 8, 16, 32|   |    |
  | +--------+  +------------+  +-----+  |  +-------------------+   +----+
  |                                      |
  |    +--+   +---------------+          |
- |____|÷M|___|VCO Loop Divide|__________|
-      |  |   |(VLD)(÷4, ÷16) |
+ |____|÷M|___|VCO Loop Divide|__________|
+      |  |   |(VLD)(÷4, ÷16) |
       +--+   +---------------+
 ****************************************************************************
   that is the hardware >= 69000 we have to manage
  +---------+  +--+
- | REFCLK  |__|÷N|__
+ | REFCLK  |__|÷N|__
  | 14.3MHz |  |  |  |
  +---------+  +--+  |
   __________________|
@@ -652,12 +652,12 @@
  |                                    fvco                      fout
  | +--------+  +------------+  +-----+     +-------------------+   +----+
  +-| Phase  |__|Charge Pump |__| VCO |_____|Post Divisor (PD)  |___|CLK |--->
- +-| Detect |  |& Filter VCO|  |     |  |  |÷1, 2, 4, 8, 16, 32|   |    |
+ +-| Detect |  |& Filter VCO|  |     |  |  |÷1, 2, 4, 8, 16, 32|   |    |
  | +--------+  +------------+  +-----+  |  +-------------------+   +----+
  |                                      |
  |    +--+   +---------------+          |
- |____|÷M|___|VCO Loop Divide|__________|
-      |  |   |(VLD)(÷1, ÷4)  |
+ |____|÷M|___|VCO Loop Divide|__________|
+      |  |   |(VLD)(÷1, ÷4)  |
       +--+   +---------------+
 
 
diff --git a/drivers/video/sed13806.c b/drivers/video/sed13806.c
index 9cd19b5..0bf9ba6 100644
--- a/drivers/video/sed13806.c
+++ b/drivers/video/sed13806.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Stäubli Faverges - <www.staubli.com>
+ * Stäubli Faverges - <www.staubli.com>
  * Pierre AUBERT  p.aubert@staubli.com
  *
  * See file CREDITS for list of people who contributed to this
diff --git a/drivers/video/sm501.c b/drivers/video/sm501.c
index 6a1e010..42ac680 100644
--- a/drivers/video/sm501.c
+++ b/drivers/video/sm501.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Stäubli Faverges - <www.staubli.com>
+ * Stäubli Faverges - <www.staubli.com>
  * Pierre AUBERT  p.aubert@staubli.com
  *
  * (C) Copyright 2005