component/open62541: add open62541 1.2.2

See merge request nexedi/slapos!1048

component/open62541/buildout.cfg

+# Implementation of OPC UA (OPC Unified Architecture). https://open62541.org/
+
+[buildout]
+parts = open62541
+extends =
+  ../cmake/buildout.cfg
+
+[open62541]
+recipe = slapos.recipe.cmmi
+shared = true
+url = https://github.com/open62541/open62541/archive/refs/tags/v1.2.2.tar.gz
+md5sum = 2883bde165bc9bc3d459ccbb47acf7f4
+configure-command = ${cmake:location}/bin/cmake
+configure-options =
+  -Bbuild
+  -DCMAKE_INSTALL_PREFIX=@@LOCATION@@
+make-options = -C build