nilrt.conf: Update DISTRO_VERSION to 3.0
nilrt.conf: Update DISTRO_VERSION to 3.0

Signed-off-by: Richard Tollerton <67c688e7f7482ba5c4ebe3d70bc77594748182a6@ni.com>
Natinst-CAR-ID: 497617
Natinst-ReviewBoard-ID: 79916
Acked-by: Ben Shelton <873d2944fc7a954ed322314738197137e10de387@ni.com>
Acked-by: Gratian Crisan <17cf39b7426cfdea7dd491f7105a23841aaa302f@ni.com>
Acked-by: Ken Sharp <e6c8ad8f54d15df4645e8aaf3f7a209bc3688570@ni.com>

ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt