[PATCH] sh-linux fix target cpu

[Jeff Law]

On 1/12/2022 2:02 AM, Yoshinori Sato wrote:
> sh-linux not supported any SH1 and SH2a little-endian.
> Add exceptios it.
>
> gcc/ChangeLog:
>
> 	* config/sh/t-linux (MULTILIB_EXCEPTIONS): Add m1, mb/m1 and m2a.
Thanks.  Technically this is probably too late to make gcc-12 as we're 
in stage4 (regression fixes only).  BUt it was posted during stage3 
(general bugfixing) and is very very low risk.

I went ahead and committed it for you.

Thanks, and sorry for the delays.

jeff