Add the obs pins

[Konste11ation]

This PR adds the obs pins for the hemaia.

1. It will first read the "observable_pin_width" in the cluster cfg than pass the value to generate the
   localparam int unsigned ObsPinWidth = ${obs_pin_width};
   in the occamy_pkg.sv.
   Then it will create a type
   // Obs width typedefine
typedef logic [ObsPinWidth-1:0] obs_t [NrClustersS1Quadrant];
2. At the occamy_quadrant_s1.sv, the obs_o of each cluster will tied to the .obs_o (obs_o[${i}]),
   The obs_o is defined at the output of the quadrant as
   // Obs pins
output obs_t obs_o,
3. Then this obs will go through quad->soc->top->chip
4. I also add the mux at the hemaia_chip_top

[rgantonio]

Beautiful! I double checked the hemaia chip top :) I'll run the synthesis from my side. Thanks a lot @Konste11ation !!!