Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/mips/include/asm/floppy.h b/arch/mips/include/asm/floppy.h
index 992d232..c5c7c0e 100644
--- a/arch/mips/include/asm/floppy.h
+++ b/arch/mips/include/asm/floppy.h
@@ -24,7 +24,7 @@
  * And on Mips's the CMOS info fails also ...
  *
  * FIXME: This information should come from the ARC configuration tree
- *        or whereever a particular machine has stored this ...
+ *        or wherever a particular machine has stored this ...
  */
 #define FLOPPY0_TYPE 		fd_drive_type(0)
 #define FLOPPY1_TYPE		fd_drive_type(1)