Add NIOS2 CPU support

Add necessary bits to support the NIOS2 little-endian CPU.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Walter Goossens <waltergoossens@home.nl>

Source/kwsys/CPU.h.in

@@ -88,6 +88,10 @@
 #elif defined(__mips) || defined(__mips__) || defined(__MIPS__)
 # define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
 
+/* NIOS2 */
+#elif defined(__NIOS2__) || defined(__NIOS2) || defined(__nios2__)
+# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
+
 /* OpenRISC 1000 */
 #elif defined(__or1k__)
 # define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG

Utilities/KWIML/ABI.h.in

@@ -398,6 +398,10 @@ suppression macro @KWIML@_ABI_NO_VERIFY was defined.
 #elif defined(__mips) || defined(__mips__) || defined(__MIPS__)
 # define @KWIML@_ABI_ENDIAN_ID @KWIML@_ABI_ENDIAN_ID_BIG
 
+/* NIOS2 */
+#elif defined(__NIOS2__) || defined(__NIOS2) || defined(__nios2__)
+# define @KWIML@_ABI_ENDIAN_ID @KWIML@_ABI_ENDIAN_ID_LITTLE
+
 /* OpenRISC 1000 */
 #elif defined(__or1k__)
 # define @KWIML@_ABI_ENDIAN_ID @KWIML@_ABI_ENDIAN_ID_BIG