misc: Add gdsys_soc driver

This patch adds a driver for the bus associated with a IHS FPGA.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index d9ac672..4a5a186 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -35,6 +35,7 @@
 obj-$(CONFIG_FS_LOADER) += fs_loader.o
 obj-$(CONFIG_GDSYS_IOEP) += gdsys_ioep.o
 obj-$(CONFIG_GDSYS_RXAUI_CTRL) += gdsys_rxaui_ctrl.o
+obj-$(CONFIG_GDSYS_SOC) += gdsys_soc.o
 obj-$(CONFIG_$(SPL_)I2C_EEPROM) += i2c_eeprom.o
 obj-$(CONFIG_IMX8) += imx8/
 obj-$(CONFIG_LED_STATUS) += status_led.o