samples: update to latest set of options

No feature- of version-bump, just update the samples
so that no (NEW) option pops up in the release.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

# Compute Alpha-specific values

CT_DoArchTupleValues () {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_ALPHA_VARIANT}"

}