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/board/eNET/Makefile b/board/eNET/Makefile
index 4980787..3703ae5 100644
--- a/board/eNET/Makefile
+++ b/board/eNET/Makefile
@@ -6,7 +6,7 @@
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # (C) Copyright 2002
-# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
 #
 # See file CREDITS for list of people who contributed to this
 # project.
diff --git a/board/eNET/eNET_pci.c b/board/eNET/eNET_pci.c
index a03090e..d97387e 100644
--- a/board/eNET/eNET_pci.c
+++ b/board/eNET/eNET_pci.c
@@ -3,7 +3,7 @@
  * Graeme Russ, <graeme.russ@gmail.com>
  *
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.