i2c: Added kconfig support for CONFIG_ZYNQ_I2C0 and CONFIG_ZYNQ_I2C1

This patch added Kconfig support for CONFIG_ZYNQ_I2C0 and
CONFIG_ZYNQ_I2C1 and enabled it in respective defconfig.

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/configs/zynq_zc706_defconfig b/configs/zynq_zc706_defconfig
index 9197aeb..8f83d17 100644
--- a/configs/zynq_zc706_defconfig
+++ b/configs/zynq_zc706_defconfig
@@ -42,6 +42,7 @@
 CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
 CONFIG_SYS_I2C_ZYNQ=y
+CONFIG_ZYNQ_I2C0=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y
 CONFIG_SPI_FLASH=y