i2c: Added Kconfig support for CONFIG_SYS_I2C_ZYNQ

This patch added Kconfig support for CONFIG_SYS_I2C_ZYNQ.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 9d43690..1c8b8f7 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -268,6 +268,12 @@
 	help
 	  Define the maximum number of available I2C buses.
 
+config SYS_I2C_ZYNQ
+	bool "Xilinx I2C driver"
+	depends on ARCH_ZYNQMP || ARCH_ZYNQ
+	help
+	  Support for Xilinx I2C controller.
+
 config SYS_I2C_IHS
         bool "gdsys IHS I2C driver"
         depends on DM_I2C