uboot-zynq: update to 2018.07

Signed-off-by: Luis Araneda <luaraneda@gmail.com>

package/boot/uboot-zynq/patches/210-link-libcrypto-static.patch

@@ -3,7 +3,7 @@ needed dependencies are added too.
 
 --- a/tools/Makefile
 +++ b/tools/Makefile
-@@ -152,7 +152,7 @@ endif
+@@ -146,7 +146,7 @@ endif
  # MXSImage needs LibSSL
  ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_ARMADA_39X)$(CONFIG_FIT_SIGNATURE),)
  HOSTLOADLIBES_mkimage += \