libgo patch committed: Update to Go1.16beta1 release

[Matthias Klose]

On 12/31/20 11:12 AM, Andreas Schwab wrote:
> I'm getting this error in ia64:
> 
> ../../../libgo/go/internal/cpu/cpu.go:123:9: error: reference to undefined name 'doinit'
>   123 |         doinit()
>       |         ^
> make[4]: *** [internal/cpu.lo] Error 1
> 
> Andreas.
> 

also on x32, or with the x32 multilib target.