ldso build always used $(NATIVE_ARCH)-uClibc-gcc, which doesn't work for

cross build (ie., m68k under i386).  Changed it to use $(TARGET_ARCH)
instead.

ldso/Rules.mak

@@ -5,6 +5,6 @@ LDSO_VERSION=1.9.11
 # Do NOT use -fomit-frame-pointer -- It won't work!
 CFLAGS	+= -DVERSION=\"$(LDSO_VERSION)\"
 
-CC = $(TOPDIR)extra/gcc-uClibc/$(NATIVE_ARCH)-uclibc-gcc
+CC = $(TOPDIR)extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc
 
 CFLAGS += -DUCLIBC_ROOT_DIR=\"$(ROOT_DIR)\"