hdl/top/spec/spec_top.vhd: It works like that

Signed-off-by:  <ppjm@correo.ugr.es>
hdl/syn/spec/wb_debugger.vhd: Still working

Signed-off-by:  <ppjm@correo.ugr.es>
hdl/syn/spec/wb_debugger.vhd: This keep on working

Signed-off-by:  <ppjm@correo.ugr.es>
hdl/syn/spec/wb_debugger.vhd: Uart selector
hdl/top/spec/spec_top.vhd: Size

Signed-off-by:  <ppjm@correo.ugr.es>
hdl/syn/spec/wb_debugger.vhd: Function for RAM size selection

Signed-off-by: Jose Jimenez <ppjm@correo.ugr.es>