i2c: add Amlogic Meson driver

Add a driver for the I2C controller available on Amlogic Meson SoCs.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index c296985..1989f8e 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -137,6 +137,12 @@
 	help
 	  Add support for the NXP i.MX LPI2C driver.
 
+config SYS_I2C_MESON
+	bool "Amlogic Meson I2C driver"
+	depends on DM_I2C && ARCH_MESON
+	help
+	  Add support for the Amlogic Meson I2C driver.
+
 config SYS_I2C_MXC
 	bool "NXP i.MX I2C driver"
 	depends on MX6