python-cryptography-vectors: Add HOMEPAGE info into recipe file.

Signed-off-by: Huang Qiyu <huangqy.fnst@cn.fujitsu.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python-cryptography-vectors.inc

@@ -1,4 +1,5 @@
 SUMMARY = "Test vectors for the cryptography package."
+HOMEPAGE = "https://cryptography.io/"
 SECTION = "devel/python"
 LICENSE = "Apache-2.0 | BSD"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=8c3617db4fb6fae01f1d253ab91511e4"