[AVR] Add support for ATmega32M1

[Nick Clifton]

Hi Eric,

> 2008-03-24  Eric B. Weddington  <eric.weddington@atmel.com>
> 
> 	Add support for ATmega32M1.
> 	* config/tc-avr.c (mcu_types): Add atmega32m1.
> 	* doc/c-avr.texi: Likewise.

Approved and applied.

Cheers
   Nick