[WFCORE-4328] Add EAP 7.2 host exclusion enum type in Wildfly config xsd

[yersan]

It will allow adding EAP7.2 host exclusion in the product branches

Jira issue: https://issues.jboss.org/browse/WFCORE-4328

[wildfly-ci]

Core - Full Integration Build 8350 outcome was FAILURE using a merge of e131202
Summary: Tests failed: 1 (1 new), passed: 4808, ignored: 131 Build time: 03:08:43

Failed tests

org.wildfly.test.integration.microprofile.metrics.metadata.MicroProfileMetricsHistogramMultipleInvocationsTestCase.testMultipleInvocationsOfEndpoint: java.lang.AssertionError: Expected value of 'mean' is 3.0, but was 3.0029820517760832.
	at org.wildfly.test.integration.microprofile.metrics.metadata.MicroProfileMetricsHistogramMultipleInvocationsTestCase.checkValue(MicroProfileMetricsHistogramMultipleInvocationsTestCase.java:125)
	at org.wildfly.test.integration.microprofile.metrics.metadata.MicroProfileMetricsHistogramMultipleInvocationsTestCase.testMultipleInvocationsOfEndpoint(MicroProfileMetricsHistogramMultipleInvocationsTestCase.java:112)
------- Stdout: -------
 [0m07:58:10,536 INFO  [org.jboss.as.repository] (management-handler-thread - 1) WFLYDR0001: Content added at location /store/work/tc-work/37b47ae8b9c60325/full/testsuite/integration/basic/target/wildfly/standalone/data/content/7d/62d480ef73ddbcbd47356f20165c073ac444a0/content
 [0m [0m07:58:10,538 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-8) WFLYSRV0027: Starting deployment of "MicroProfileMetricsHistogramMultipleInvocationsTestCase.war" (runtime-name: "MicroProfileMetricsHistogramMultipleInvocationsTestCase.war")
 [0m [33m07:58:10,620 WARN  [org.jboss.as.dependency.private] (MSC service thread 1-8) WFLYSRV0018: Deployment "deployment.MicroProfileMetricsHistogramMultipleInvocationsTestCase.war" is using a private module ("org.wildfly.security.manager") which may be changed or removed in future versions without notice.
 [0m [0m07:58:10,622 INFO  [org.jboss.weld.deployer] (MSC service thread 1-2) WFLYWELD0003: Processing weld deployment MicroProfileMetricsHistogramMultipleInvocationsTestCase.war
 [0m [0m07:58:10,711 INFO  [org.jboss.as.arquillian] (MSC service thread 1-5) Arquillian deployment detected: ArquillianConfig[service=jboss.arquillian.config."MicroProfileMetricsHistogramMultipleInvocationsTestCase.war",unit=MicroProfileMetricsHistogramMultipleInvocationsTestCase.war,tests=[org.wildfly.test.integration.microprofile.metrics.metadata.MicroProfileMetricsHistogramMultipleInvocationsTestCase]]
 [0m [0m07:58:10,763 INFO  [io.smallrye.metrics] (MSC service thread 1-4) MicroProfile: Metrics activated
 [0m [0m07:58:10,798 INFO  [org.jboss.weld.Bootstrap] (Weld Thread Pool -- 2) WELD-000119: Not generating any bean definitions from org.wildfly.test.integration.microprofile.metrics.metadata.MicroProfileMetricsHistogramMultipleInvocationsTestCase because of underlying class loading error: Type org.apache.http.client.methods.HttpUriRequest from [Module "deployment.MicroProfileMetricsHistogramMultipleInvocationsTestCase.war" from Service Module Loader] not found.  If this is unexpected, enable DEBUG logging to see the full error.
 [0m [0m07:58:10,953 INFO  [org.jboss.resteasy.resteasy_jaxrs.i18n] (ServerService Thread Pool -- 22) RESTEASY002225: Deploying javax.ws.rs.core.Application: class org.wildfly.test.integration.microprofile.metrics.TestApplication$Proxy$_$$_WeldClientProxy
 [0m [0m07:58:10,957 INFO  [org.wildfly.extension.undertow] (ServerService Thread Pool -- 22) WFLYUT0021: Registered web context: '/MicroProfileMetricsHistogramMultipleInvocationsTestCase' for server 'default-server'
 [0m [0m07:58:10,968 INFO  [org.jboss.as.server] (management-handler-thread - 1) WFLYSRV0010: Deployed "MicroProfileMetricsHistogramMultipleInvocationsTestCase.war" (runtime-name : "MicroProfileMetricsHistogramMultipleInvocationsTestCase.war")
 [0m [0m07:58:10,995 INFO  [io.smallrye.metrics.MetricsRegistryImpl] (default task-1) Register metric [name: helloHistogram, type: histogram]
 [0m