build-core-ia32: move builing rtld just after libphoenix

Dynamic binaries need ld.elf_so to be present during linking.

JIRA: RTOS-664

build-core-ia32-generic.sh

@@ -19,6 +19,9 @@ if [ "$LIBPHOENIX_DEVEL_MODE" = "y" ]; then
 
 	b_log "Building libphoenix"
 	make -C "libphoenix" all install
+
+	b_log "Building dynamic linker"
+	make -C "phoenix-rtos-utils" ld.elf_so ld.elf_so-install
 fi
 
 b_log "Building phoenix-rtos-corelibs"