IPQ806x series also has a GSBI1 with UART and I2C peripherals, so lets add the node for it.
Its needed for Edgecore ECW5410 which uses the UART from GSBI1 as second UART for Bluetooth.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: maurerr <mariusd84@gmail.com>