--- u-boot-xtensa-fe85520cfb23b815207fa1a0ad840ec795eecedf.orig/tools/Makefile	2015-07-06 13:09:06.000000000 +0200
+++ u-boot-xtensa-fe85520cfb23b815207fa1a0ad840ec795eecedf/tools/Makefile	2015-07-06 13:13:09.274561163 +0200
@@ -114,7 +114,7 @@ endif
 
 # MXSImage needs LibSSL
 ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_FIT_SIGNATURE),)
-HOSTLOADLIBES_mkimage += -lssl -lcrypto
+HOSTLOADLIBES_mkimage += -lssl -lcrypto -ldl
 endif
 
 HOSTLOADLIBES_dumpimage := $(HOSTLOADLIBES_mkimage)