config: Add POWER Little Endian platform support

Author: Dong H. Ahn

config/x_ac_platform.m4

@@ -28,7 +28,8 @@
 # --------------------------------------------------------------------------------
 #
 #   Update Log:
-#         May 02 2018 KMD: Added aarch64 support
+#         Jul 13 2018 DHA: Add powerle support.
+#         May 02 2018 KMD: Added aarch64 support.
 #         Apr 01 2015 ADG: Added Cray CTI support.
 #         Feb 20 2015 [email protected]: Fixes for Cray systems.
 #         Jun 11 2008 DHA: File created.
@@ -79,6 +80,12 @@ AC_DEFUN([X_AC_PLATFORM], [
               AC_SUBST(LNCHR_BIT_FLAGS, -m32)
               AC_DEFINE(BIT64, 1, [64bit])
               ;;
+    *powerpc64le*)AC_DEFINE(POWERLE_ARCHITECTURE,1,[Define 1 for POWERLEC_ARCHITECTURE])
+              ac_have_known_isa="yes"
+              ac_target_isa="powerle"
+              AC_SUBST(LNCHR_BIT_FLAGS, -m64)
+              AC_DEFINE(BIT64, 1, [64bit])
+              ;;
     *powerpc*)AC_DEFINE(PPC_ARCHITECTURE,1,[Define 1 for PPC_ARCHITECTURE])
               ac_have_known_isa="yes"
               ac_target_isa="power"