lava: Avoid running OSTree tests on minnowboards

LAVA only has two minnowboards which cannot handle the current load. In
order to reduce the load avoid running OSTree offline test that were
recently added to amd64.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

test-cases/aum-api.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-api
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-offline-upgrade-branch.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-offline-upgrade-branch
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-offline-upgrade-signed.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-offline-upgrade-signed
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-offline-upgrade.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-offline-upgrade
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-out-of-space.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-out-of-space
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-power-cut.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-power-cut
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional

test-cases/aum-rollback-blacklist.yaml

@@ -2,7 +2,7 @@ metadata:
   name: aum-rollback-blacklist
   format: "Apertis Test Definition 1.0"
   image-types:
-    hmi: [ armhf, amd64 ]
+    hmi: [ armhf ]
   image-deployment:
     - OSTree
   type: functional