The pin controller's child nodes expose the functions currently
implemented in the the g4 pin controller driver.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
A common device tree for all forth gen/ast2400 systems and a board
specific dts for the Palmetto OpenPower developemnt machine which was
used for testing.
Signed-off-by: Joel Stanley <joel@jms.id.au>
