This patch adds GPIO and 96board LS (Low Speed)iexpansion connector
support for SiFive HiFive Unleashed and also enables GPIO basic test.
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
This patch adds new support for SiFive HiFive Unleashed which has
SiFive FU540 SoC, DDR and some peripherals.
This is first version so not support all features of the board.
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>