board: presidio-asic: Add I2C support

Add I2C board support for Cortina Access Presidio Engineering Board

Signed-off-by: Alex Nemirovsky <alex.nemirovsky@cortina-access.com>
CC: Heiko Schocher <hs@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/configs/cortina_presidio-asic-emmc_defconfig b/configs/cortina_presidio-asic-emmc_defconfig
index e10008a..e45e23c 100644
--- a/configs/cortina_presidio-asic-emmc_defconfig
+++ b/configs/cortina_presidio-asic-emmc_defconfig
@@ -10,6 +10,7 @@
 CONFIG_BOOTDELAY=3
 CONFIG_BOARD_EARLY_INIT_R=y
 CONFIG_SYS_PROMPT="G3#"
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PART=y
 CONFIG_CMD_WDT=y
@@ -24,6 +25,8 @@
 # CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_CORTINA_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_CA=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_CORTINA=y