Fix computation of stack frame size
Fix computation of stack frame size

Only register and automatic variables must be accounted
in the size of the stack frame.

k0gaMSX/scc,8l/scc,k0gaMSX/kcc,k0gaMSX/kcc,8l/scc,8l/scc,k0gaMSX/scc,k0gaMSX/scc