samples: update before release

Update all samples to reflect the new set of options, plus:
- remove the arm-iphone-linux-gnueabi sample (obsolete...)
- disable hard-float in ARM bare-metal samples.

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

# Compute M68k-specific values

CT_DoArchTupleValues() {

    :

}