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/dec/prom.h b/arch/mips/include/asm/dec/prom.h
index b9c8203..c0ead63 100644
--- a/arch/mips/include/asm/dec/prom.h
+++ b/arch/mips/include/asm/dec/prom.h
@@ -108,7 +108,7 @@
 
 /*
  * On MIPS64 we have to call PROM functions via a helper
- * dispatcher to accomodate ABI incompatibilities.
+ * dispatcher to accommodate ABI incompatibilities.
  */
 #define __DEC_PROM_O32(fun, arg) fun arg __asm__(#fun); \
 				 __asm__(#fun " = call_o32")