Tiny Tapeout 7

ol2/tt_ctrl: Skip STA due to bug for TT07

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

Tiny Tapeout 6

ol2/tt_top: Make sure custom routing handles the "no analog" case

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

Tiny Tapeout 5

Full Changelog: tt04...tt05-release

Tiny Tapeout 4

ol2/tt_top: Specify out own Synth/DRC exclude list

Among other thing the PDK provided one exclude the buf_16 variant
which we will need to reference during static timing analysis ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

Tiny Tapeout 03p5 with OpenLane 2

py/tt: Align the top level position to grid

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>