musl: improved to create a symlink from ld-musl-$musl_arch.so to ldd

if the dynlinker was started as "ldd" it will print DSO information

base/musl/musl.conf

@@ -28,6 +28,13 @@ fi
 if [ "$SDECFG_LIBC" == "musl" ]; then
 	# disable gcc wrapper script	
 	var_append extraconfopt ' ' "--disable-gcc-wrapper"
+
+	if ! atstage toolchain; then
+		# create a symlink from ld-musl-$musl_arch.so to ldd
+		# if the dynlinker was started as "ldd" it will print
+		# DSO information
+		hook_add postinstall 5 'ln -vsf $root/lib/ld-musl-$musl_arch.so.1 $root$bindir/ldd'
+	fi
 fi
 
 # always install the headers even if already present in the sandbox