Release notes item on suspend to RAM

[Matthew Garrett]

It would probably be good to point out that suspend to RAM is disabled
by default on x86 and unsupported on amd64. Something like:

"ACPI Suspend to RAM is disabled by default on x86 hardware. To enable
it, edit /etc/default/acpi-support and change the second line to read

ACPI_SLEEP=true

then save the file. Note that ACPI sleep is still experimental and may
not work on all hardware.

Suspend to RAM is not currently supported on amd64 machines."
-- 
Matthew Garrett | mjg59 at srcf.ucam.org