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/MAINTAINERS b/MAINTAINERS
index e3f3e5f..2a281a9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -182,6 +182,8 @@
 F:	drivers/watchdog/cortina_wdt.c
 F:	drivers/serial/serial_cortina.c
 F:	drivers/mmc/ca_dw_mmc.c
+F:	drivers/i2c/i2c-cortina.c
+F:	drivers/i2c/i2c-cortina.h
 
 ARM/CZ.NIC TURRIS MOX SUPPORT
 M:	Marek Behun <marek.behun@nic.cz>
@@ -740,6 +742,8 @@
 F:	drivers/watchdog/cortina_wdt.c
 F:	drivers/serial/serial_cortina.c
 F:	drivers/mmc/ca_dw_mmc.c
+F:	drivers/i2c/i2c-cortina.c
+F:	drivers/i2c/i2c-cortina.h
 
 MIPS MSCC
 M:	Gregory CLEMENT <gregory.clement@bootlin.com>