AVR linker script minor changes

[Nick Clifton]

Hi Marek,

: 2000-05-23  Marek Michalkiewicz  <marekm@linux.org.pl>
: 
: 	* emulparams/avr1200.sh (STACK): Define as 0.
: 	* emulparams/avr23xx.sh (STACK): Define as last internal SRAM address.
: 	* emulparams/avr4433.sh (STACK): Likewise.
: 	* emulparams/avr44x4.sh (STACK): Likewise.
: 	* emulparams/avr85xx.sh (STACK): Likewise.
: 	* emulparams/avrmega103.sh (STACK): Likewise.
: 	* emulparams/avrmega161.sh (STACK): Likewise.
: 	* emulparams/avrmega603.sh (STACK): Likewise.
: 	* scripttempl/elf32avr.sc (__data_start): Define for gcrt1.
: 	(__stack): Define from ${STACK} for main().

Since Denis is the maintainer for this port, I am going to leave it to
him to approve/deny this patch.

Cheers
	Nick