i2c: i2c-cortina: added CAxxxx I2C support

Add I2C controller support for Cortina Access CAxxxx SoCs

Signed-off-by: Arthur Li <arthur.li@cortina-access.com>
Signed-off-by: Alex Nemirovsky <alex.nemirovsky@cortina-access.com>
CC: Heiko Schocher <hs@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>

hs: fixed build error, add include log.h
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 363b899..87d11b6 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -93,6 +93,14 @@
 	  Say yes here to select Cadence I2C Host Controller. This controller is
 	  e.g. used by Xilinx Zynq.
 
+config SYS_I2C_CA
+	tristate "Cortina-Access I2C Controller"
+	depends on DM_I2C && CORTINA_PLATFORM
+	default n
+	help
+	  Add support for the Cortina Access I2C host controller.
+	  Say yes here to select Cortina-Access I2C Host Controller.
+
 config SYS_I2C_DAVINCI
 	bool "Davinci I2C Controller"
 	depends on (ARCH_KEYSTONE || ARCH_DAVINCI)