scripts: get_feat.pl: change the group by order

Right now, arch compatibility is grouped by status at the
alphabetical order from A to Z, and then from a to z, e. g:.

	---
	TODO
	ok

Revert the order, in order to print first the OK results,
then TODO, and, finally, the not compatible ones.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/46d53d138eab8e4a55124323ceb5b212c6eedd08.1607095090.git.mchehab+huawei@kernel.org


Signed-off-by: Jonathan Corbet <corbet@lwn.net>