we need -ldl after -lssl

package/u-boot-git/patches/patch-tools_Makefile

@@ -0,0 +1,11 @@
+--- u-boot-git-3bfe3ce2a6e3b04da1d04dbc0520dcc26e17f98a.orig/tools/Makefile	2015-05-27 15:07:12.000000000 +0200
++++ u-boot-git-3bfe3ce2a6e3b04da1d04dbc0520dcc26e17f98a/tools/Makefile	2015-05-27 20:09:17.000000000 +0200
+@@ -122,7 +122,7 @@ 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)