arm: socfpga: vining: Enable DW I2C driver

The Designware I2C IP is used to communicate with I2C peripherals on
SoCFPGA, and required to access I2C EEPROM on this board. Enable it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tien Fong Chee <tien.fong.chee@intel.com>
diff --git a/configs/socfpga_vining_fpga_defconfig b/configs/socfpga_vining_fpga_defconfig
index 4dcf4f7..cbdb897 100644
--- a/configs/socfpga_vining_fpga_defconfig
+++ b/configs/socfpga_vining_fpga_defconfig
@@ -56,6 +56,7 @@
 CONFIG_SYS_DFU_DATA_BUF_SIZE=0x1000000
 CONFIG_DWAPB_GPIO=y
 CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_DW=y
 CONFIG_LED_STATUS=y
 CONFIG_LED_STATUS_GPIO=y
 CONFIG_LED_STATUS0=y