tools: add more endian.h macros

Add some more macros to tools/endian.h to allow mpssd to be compiled
against glibc < 2.9.

Signed-off-by: Peter Foley <pefoley2@pefoley.com>
Cc: rdunlap@infradead.org
Cc: linux-doc@vger.kernel.org
Cc: sudeep.dutt@intel.com
Cc: nikhil.rao@intel.com
Cc: ashutosh.dixit@intel.com
Cc: akpm@linux-foundation.org
Cc: gregkh@linuxfoundation.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

tools/include/tools/endian.h

diff --git a/tools/include/tools/endian.h b/tools/include/tools/endian.h
index 5d42e20..8001194 100644
--- a/tools/include/tools/endian.h
+++ b/tools/include/tools/endian.h
@@ -15,6 +15,18 @@
 #define htole64(x) (x)
 #endif
 
+#ifndef le16toh
+#define le16toh(x) (x)
+#endif
+
+#ifndef le32toh
+#define le32toh(x) (x)
+#endif
+
+#ifndef le64toh
+#define le64toh(x) (x)
+#endif
+
 #else /* __BYTE_ORDER */
 
 #ifndef htole16
@@ -27,6 +39,18 @@
 #define htole64(x) __bswap_64(x)
 #endif
 
+#ifndef le16toh
+#define le16toh(x) __bswap_16(x)
+#endif
+
+#ifndef le32toh
+#define le32toh(x) __bswap_32(x)
+#endif
+
+#ifndef le64toh
+#define le64toh(x) __bswap_64(x)
+#endif
+
 #endif
 
 #endif /* _TOOLS_ENDIAN_H */