libphobos: Add power*-*-linux* as a supported target

libphobos/ChangeLog:

	* configure: Regenerate.
	* configure.tgt: Add power*-*-linux* as a supported target, only
	building libdruntime.
	* m4/druntime/cpu.m4 (DRUNTIME_CPU_SOURCES): Add cases for powerpcle
	and powerpc64le target cpus.
diff --git a/libphobos/configure b/libphobos/configure
index c2b4913..c923417 100755
--- a/libphobos/configure
+++ b/libphobos/configure
@@ -13991,9 +13991,10 @@
                ;;
       mips*)   druntime_target_cpu_parsed="mips"
                ;;
-      powerpc) druntime_target_cpu_parsed="powerpc"
+      powerpc|powerpcle)
+               druntime_target_cpu_parsed="powerpc"
                ;;
-      powerpc64)
+      powerpc64|powerpc64le)
                druntime_target_cpu_parsed="powerpc64"
                ;;
       i[34567]86|x86_64)