MAINTAINERS: update nomadik patterns

Commit 3a198059 ("pinctrl: nomadik: move all Nomadik drivers to
subdir") move the files, update the patterns

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>