ARM: dts: aspeed: rainier: Add line-name checkstop

Rainier uses GPIO B6 as the checkstop GPIO. Define the line-name
so that this GPIO can be found by name.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Ben Tyner 2020-05-29 12:22:00 -05:00 • committed by Joel Stanley
commit 080f88e840