Revert "toolchain: handle toolchains with multiple ld*.so.* files"

This breaks some existing external toolchains. Since we're very close to
a release, don't try to fix it, but instead simply revert.

This reverts commit 6f911a17257d945eb3cb5c9c9a966f0e5fca0842.

Fixes: http://autobuild.buildroot.net/results/afe/afe44f4b6a3c53e5864cfb10b04529011e72cf5c/

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

toolchain/helpers.mk

@@ -135,8 +135,10 @@ copy_toolchain_sysroot = \
 			$(call simplify_symlink,$$i,$(STAGING_DIR)) ; \
 		done ; \
 	fi ; \
-       if ! find -wholename $(STAGING_DIR)'/lib/ld*.so.*' > /dev/null; then \
-               find -wholename $${ARCH_SYSROOT_DIR}'/lib/ld*.so.*' -print0 | xargs -0 -I % cp % $(STAGING_DIR)/lib/; \
+	if [ ! -e $(STAGING_DIR)/lib/ld*.so.* ]; then \
+		if [ -e $${ARCH_SYSROOT_DIR}/lib/ld*.so.* ]; then \
+			cp -a $${ARCH_SYSROOT_DIR}/lib/ld*.so.* $(STAGING_DIR)/lib/ ; \
+		fi ; \
 	fi ; \
 	if [ `readlink -f $${SYSROOT_DIR}` != `readlink -f $${ARCH_SYSROOT_DIR}` ] ; then \
 		if [ ! -d $${ARCH_SYSROOT_DIR}/usr/include ] ; then \