Tune description and disable for alternative builds

Sanity/named/bind-dyndb-ldap-rebuild/main.fmf

@@ -1,4 +1,6 @@
-summary: Tries whether bind-dyndb-ldap can be build with current bind-devel
+summary: bind-dyndb-ldap build with current bind-devel
+description: |
+  Checks whether bind-devel is okay to build bind-dyndb-ldap for freeipa.
 test: ./test.sh
 framework: beakerlib
 recommend+:
@@ -7,3 +9,5 @@ recommend+:
 adjust+:
   - enabled: false
     when: distro == rhel, centos
+  - enabled: false
+    when: component is defined and component != bind

Sanity/named/bind-dyndb-ldap-rebuild/test.sh

@@ -2,6 +2,8 @@
 # vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
 . /usr/share/beakerlib/beakerlib.sh || exit 1
 
+: ${PACKAGE:=bind}
+
 rlJournalStart
     rlPhaseStartSetup
         rlRun "tmp=\$(mktemp -d)" 0 "Create tmp directory"
@@ -26,9 +28,9 @@ rlJournalStart
                 *)
                         rlLogFatal "Unsupported distribution $ID" ;;
         esac
-        rlRun "rpm -q bind-devel || dnf install -y $EXTRA_REPOS bind-devel"
+        rlRun "rpm -q $PACKAGE-devel || dnf install -y $EXTRA_REPOS $PACKAGE-devel"
         rlRun "rpm -q $PKG || dnf install -y $EXTRA_REPOS $PKG"
-        rlAssertRpm bind-devel
+        rlAssertRpm $PACKAGE-devel
         rlRun "$PKG clone -a bind-dyndb-ldap"
         rlRun "pushd bind-dyndb-ldap"
         rlRun "ls -l *.spec"