vhdl: partial impl of const decl typeval
vhdl: partial impl of const decl typeval

Partially implement the type evaluation of constant declarations. This
triggers type evaluation of the initial expression, which is a good
starting point to sort out the entire expression parsing and type
evaluation business.

fabianschuiki/moore,fabianschuiki/moore,fabianschuiki/moore,fabianschuiki/moore,fabianschuiki/moore