The pin controller's child nodes expose the functions currently
implemented in the g5 pin controller driver.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This adds a common device tree for all fifth generation Aspeed systems,
and a board specific device tree for the ast2500 evaluation board.
Signed-off-by: Joel Stanley <joel@jms.id.au>