soc: xilinx: Create folder structure for soc specific drivers

Create directory structure with Makefile/Kconfig for adding xilinx soc
specific drivers.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig
index fc9e980..c07b4a8 100644
--- a/drivers/soc/Kconfig
+++ b/drivers/soc/Kconfig
@@ -16,6 +16,7 @@
 source "drivers/soc/ti/Kconfig"
 source "drivers/soc/ux500/Kconfig"
 source "drivers/soc/versatile/Kconfig"
+source "drivers/soc/xilinx/Kconfig"
 source "drivers/soc/zte/Kconfig"
 
 endmenu
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index deecb16..61c584d 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -22,4 +22,5 @@
 obj-$(CONFIG_SOC_TI)		+= ti/
 obj-$(CONFIG_ARCH_U8500)	+= ux500/
 obj-$(CONFIG_PLAT_VERSATILE)	+= versatile/
+obj-y				+= xilinx/
 obj-$(CONFIG_ARCH_ZX)		+= zte/
diff --git a/drivers/soc/xilinx/Kconfig b/drivers/soc/xilinx/Kconfig
new file mode 100644
index 0000000..ffaaa2f
--- /dev/null
+++ b/drivers/soc/xilinx/Kconfig
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+menu "Xilinx SoC drivers"
+
+endmenu
diff --git a/drivers/soc/xilinx/Makefile b/drivers/soc/xilinx/Makefile
new file mode 100644
index 0000000..f66554c
--- /dev/null
+++ b/drivers/soc/xilinx/Makefile
@@ -0,0 +1 @@
+# SPDX-License-Identifier: GPL-2.0