MAINTAINERS: update ssbi patterns

Commit 45fcac1aad ("mfd: Move ssbi driver into drivers/mfd") move the
files, update the patterns.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -1069,7 +1069,7 @@ F:	drivers/mmc/host/msm_sdcc.h
 F:	drivers/tty/serial/msm_serial.h
 F:	drivers/tty/serial/msm_serial.c
 F:	drivers/*/pm8???-*
-F:	drivers/ssbi/
+F:	drivers/mfd/ssbi/
 F:	include/linux/mfd/pm8xxx/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm.git
 S:	Maintained