nilrtdiskcrypt: add older-nilrt tpm configfs symlink
nilrtdiskcrypt: add older-nilrt tpm configfs symlink

A file contained in this dir symlink is used as a flag at boot to
specify to the tpm open logic whether to allow or disable key
unsealing.

Signed-off-by: Ioan-Adrian Ratiu <7ec73abcfe099fc5574c01312b62768070c80980@ni.com>
Natinst-Rally-ID: F12416
Natinst-ReviewBoard-ID: 205378

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