ARM: zynq: Convert Syzygy to DM_I2C

Boards have only one controller enabled that's why move to DM_I2C is
easy.
Add also i2c alias for not to be shown as i2c bus -1 because alias
doesn't exist.
Config file points to MAC stored in eeprom but it is not listed that's
why I have added 24c08 part.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/configs/syzygy_hub_defconfig b/configs/syzygy_hub_defconfig
index 9dec341..131f8f1 100644
--- a/configs/syzygy_hub_defconfig
+++ b/configs/syzygy_hub_defconfig
@@ -16,7 +16,6 @@
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SYS_PROMPT="Zynq> "
-CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_FPGA_LOADBP=y
 CONFIG_CMD_FPGA_LOADFS=y
@@ -35,8 +34,8 @@
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
-CONFIG_SYS_I2C_ZYNQ=y
-CONFIG_ZYNQ_I2C1=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_CADENCE=y
 CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET=0xFA
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y