Exporter - rza iar template clean-up ...

This is not required for progen functionality, but better to have the template
clean from files and defines.

Exporters IAR - rza1h template fix

Exporters -removal of iar_rz_a1h template

Support of export function to the IAR. ...

We modified the following to support the export function to the IAR.
- In tools files, add RZ_A1H to the target of IAR.
- In tools files, add the tmpl files.