i2c: synquacer: SNI Synquacer I2C controller

Add driver for class of I2C controllers found on
Socionext Synquacer platform.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 8c9f1fc..06a1150 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -43,6 +43,7 @@
 obj-$(CONFIG_SYS_I2C_SH) += sh_i2c.o
 obj-$(CONFIG_SYS_I2C_SOFT) += soft_i2c.o
 obj-$(CONFIG_SYS_I2C_STM32F7) += stm32f7_i2c.o
+obj-$(CONFIG_SYS_I2C_SYNQUACER) += synquacer_i2c.o
 obj-$(CONFIG_SYS_I2C_TEGRA) += tegra_i2c.o
 obj-$(CONFIG_SYS_I2C_UNIPHIER) += i2c-uniphier.o
 obj-$(CONFIG_SYS_I2C_UNIPHIER_F) += i2c-uniphier-f.o