[PATCH] PR gold/19118: Gold doesn't support EM_IAMCU

[Cary Coutant]

> elfcpp/
>
>         PR gold/19118
>         * elfcpp.h (EM): Add EM_IAMCU.
>
> gold/
>
>         PR gold/19118
>         * i386.cc (Target_iamcu): New class.
>         (Target_selector_iamcu): Likewise.
>         (Target_iamcu::iamcu_info): New variable.
>         (target_selector_iamcu): Likewise.

This is OK. Thanks!

-cary