i2c: Enabled CONFIG_SYS_I2C_ZYNQ in the respective defconfig

This patch enabled CONFIG_SYS_I2C_ZYNQ in the 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/syzygy_hub_defconfig b/configs/syzygy_hub_defconfig
index 8f06465..0190884 100644
--- a/configs/syzygy_hub_defconfig
+++ b/configs/syzygy_hub_defconfig
@@ -35,6 +35,7 @@
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
+CONFIG_SYS_I2C_ZYNQ=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y
 CONFIG_PHY_MARVELL=y