nios2: use generic unaligned.h

Signed-off-by: Scott McNutt <smcnutt@psyent.com>
diff --git a/include/asm-nios2/unaligned.h b/include/asm-nios2/unaligned.h
new file mode 100644
index 0000000..779117c
--- /dev/null
+++ b/include/asm-nios2/unaligned.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_NIOS2_UNALIGNED_H
+#define _ASM_NIOS2_UNALIGNED_H
+
+#include <asm-generic/unaligned.h>
+
+#endif /* _ASM_NIOS2_UNALIGNED_H */