sim: Enable oversized_secondary_slot test with max-align-32

The test case oversized_secondary_slot, introduced by PR !1286 was not
enabled when the 'max-align-32' feature was selected because of the test
case was failing with some configurations.

Since 88294be1, the
oversized_secondary_slot test is now passing with 'max-align-32' in all
configurations and can therefore be enabled.

Signed-off-by: Thomas Altenbach <thomas.altenbach@legrand.com>