udev-extraconf: grant i2c, spi access to group "ni"
udev-extraconf: grant i2c, spi access to group "ni"

This is for the benefit of RoboRIO.

Natinst-Rally-ID: US24541
Acked-by: Scot Salmon <41bcf349e14c9fbcd1dc88f5e0bd1705cc3f508e@ni.com>
Natinst-ReviewBoard-ID: 58630
Signed-off-by: Richard Tollerton <67c688e7f7482ba5c4ebe3d70bc77594748182a6@ni.com>

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