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/mpl/common/pci_parts.h b/board/mpl/common/pci_parts.h
index 7bca961..65d18a6 100644
--- a/board/mpl/common/pci_parts.h
+++ b/board/mpl/common/pci_parts.h
@@ -63,7 +63,7 @@
 
 /* Mapping:
  * +-------------+------------+------------+--------------------------------+
- * ¦ PCI MemAddr | PCI IOAddr | Local Addr | Device / Function              |
+ * | PCI MemAddr | PCI IOAddr | Local Addr | Device / Function              |
  * +-------------+------------+------------+--------------------------------+
  * |  0x00000000 |            | 0xA0000000 | ISA Memory (hard wired)        |
  * |  0x00FFFFFF |            | 0xA0FFFFFF |                                |