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/MAINTAINERS b/MAINTAINERS
index ace7d9a..cc71a8f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -453,6 +453,7 @@
 S:	Supported
 T:	git git://github.com/ARM-software/u-boot.git
 F:	drivers/video/mali_dp.c
+F:	drivers/i2c/i2c-versatile.c
 
 MICROBLAZE
 M:	Michal Simek <monstr@monstr.eu>