[AVR] Remove -mno-tablejump

[Gerald Pfeifer]

On Mon, 30 Mar 2009, Anatoly Sokolov wrote:
>   In GCC starting with version 4.2 the "-fno-jump-tables" switch is present,
> which is equivalent to AVR target specific "-mno-tablejump" switch. This
> patch remove the "-mno-tablejump" switch from AVR target.

Would you mind updating gcc-4.5/changes.html accordingly?  In fact,
adding a deprecation note to gcc-4.4/changes.html might be good too.

Gerald