i2c: fix: Add support for the Arm's Versatile Express I2C controller

accidentially while fixing merge errors for patch:
https://lists.denx.de/pipermail/u-boot/2018-September/342278.html

missed to add files:

MAINTAINERS
drivers/i2c/Kconfig
drivers/i2c/Makefile

add them with this patch.

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Liviu Dudau <liviu.dudau@foss.arm.com>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index f2cbe78..d3637bc 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -36,6 +36,7 @@
 obj-$(CONFIG_SYS_I2C_TEGRA) += tegra_i2c.o
 obj-$(CONFIG_SYS_I2C_UNIPHIER) += i2c-uniphier.o
 obj-$(CONFIG_SYS_I2C_UNIPHIER_F) += i2c-uniphier-f.o
+obj-$(CONFIG_SYS_I2C_VERSATILE) += i2c-versatile.o
 obj-$(CONFIG_SYS_I2C_ZYNQ) += zynq_i2c.o
 obj-$(CONFIG_TEGRA186_BPMP_I2C) += tegra186_bpmp_i2c.o