Fix trivial "endianness bugs"

Replace endianess -> endianness.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 2419aa9..0b98d10 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -63,7 +63,7 @@
     uint32_t w[2]; /* binary single fixed-point */
 };
 /* define FP_ENDIAN_IDX to access the same location
- * in the fpr_t union regardless of the host endianess
+ * in the fpr_t union regardless of the host endianness
  */
 #if defined(HOST_WORDS_BIGENDIAN)
 #  define FP_ENDIAN_IDX 1