gas: Re-enable .org test 1 on all targets except kvx

It got erroneously disabled for all targets including kvx instead of
excluding kvx only.

gas/testsuite/
	* gas/all/org-1.d: Re-enable on all targets except kvx.

Fixes: 6e712424f5cb ("kvx: New port.")
Signed-off-by: Jens Remus <jremus@linux.ibm.com>