MAINTAINERS: add ssbi

The ssbi device is specific to the Qualcomm MSM SoCs.

Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 9561658..f8fdec5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1031,6 +1031,7 @@
 F:	drivers/tty/serial/msm_serial.h
 F:	drivers/tty/serial/msm_serial.c
 F:	drivers/*/pm8???-*
+F:	drivers/ssbi/
 F:	include/linux/mfd/pm8xxx/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm.git
 S:	Maintained