test/integration: Disable RHEL-8.0 tests using jump labels

Jump labels are unsupported, so tests modifying functions using them are
expected to fail. So disable them, for now...

Signed-off-by: Julien Thierry <jthierry@redhat.com>

test/integration/rhel-8.0/data-read-mostly.patch.disabled

@@ -1,3 +1,5 @@
+Disabled due to https://github.com/dynup/kpatch/issues/940
+---
 diff --git a/net/core/dev.c b/net/core/dev.c
 index b6f9647..b376a48 100644
 --- a/net/core/dev.c

test/integration/rhel-8.0/shadow-newpid.patch.disabled

@@ -1,3 +1,5 @@
+Disabled due to https://github.com/dynup/kpatch/issues/940
+---
 diff --git a/fs/proc/array.c b/fs/proc/array.c
 index 0ceb3b6..1b44c7f 100644
 --- a/fs/proc/array.c