MAINTAINERS: update ARM/ZIPIT Z2 SUPPORT file patterns

Use correct file location.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -1015,7 +1015,7 @@ M:	Marek Vasut <marek.vasut@gmail.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	arch/arm/mach-pxa/z2.c
-F:	arch/arm/mach-pxa/include/mach-pxa/z2.h
+F:	arch/arm/mach-pxa/include/mach/z2.h
 
 ASC7621 HARDWARE MONITOR DRIVER
 M:	George Joseph <george.joseph@fairview5.com>