MAINTAINERS: merge MXS entry into IMX one

The mach-mxs platform is actually co-maintained by myself and
pengutronix folks.  Also it's hosted in the same kernel tree as IMX.
So let's merge the entry into IMX one.

Signed-off-by: Shawn Guo <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>

Author: Shawn Guo

MAINTAINERS

@@ -943,16 +943,10 @@ L:	[email protected] (moderated for non-subscribers)
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
 F:	arch/arm/mach-imx/
+F:	arch/arm/mach-mxs/
 F:	arch/arm/boot/dts/imx*
 F:	arch/arm/configs/imx*_defconfig
 
-ARM/FREESCALE MXS ARM ARCHITECTURE
-M:	Shawn Guo <[email protected]>
-L:	[email protected] (moderated for non-subscribers)
-S:	Maintained
-T:	git git://git.linaro.org/people/shawnguo/linux-2.6.git
-F:	arch/arm/mach-mxs/
-
 ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
 M:	Lennert Buytenhek <[email protected]>
 L:	[email protected] (moderated for non-subscribers)