target-ppc: Add a new user mode target for little-endian PPC64.

Signed-off-by: Doug Kwan <dougkwan@google.com>
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/configure b/configure
index 9d50189..197b2ec 100755
--- a/configure
+++ b/configure
@@ -4946,6 +4946,12 @@
     TARGET_ABI_DIR=ppc
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
   ;;
+  ppc64le)
+    TARGET_ARCH=ppc64
+    TARGET_BASE_ARCH=ppc
+    TARGET_ABI_DIR=ppc
+    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+  ;;
   ppc64abi32)
     TARGET_ARCH=ppc64
     TARGET_BASE_ARCH=ppc
diff --git a/default-configs/ppc64le-linux-user.mak b/default-configs/ppc64le-linux-user.mak
new file mode 100644
index 0000000..4ba4eae
--- /dev/null
+++ b/default-configs/ppc64le-linux-user.mak
@@ -0,0 +1,2 @@
+# Default configuration for ppc64le-linux-user
+CONFIG_LIBDECNUMBER=y