MAINTAINERS: Add st slim core rproc driver to STi section.

This patch adds the slim core rproc driver to the STi section
of the MAINTAINERS file.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1cd38a7..78b7f8b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1784,6 +1784,7 @@
 F:	drivers/phy/phy-stih41x-usb.c
 F:	drivers/pinctrl/pinctrl-st.c
 F:	drivers/remoteproc/st_remoteproc.c
+F:	drivers/remoteproc/st_slim_rproc.c
 F:	drivers/reset/sti/
 F:	drivers/rtc/rtc-st-lpc.c
 F:	drivers/tty/serial/st-asc.c
@@ -1792,6 +1793,7 @@
 F:	drivers/usb/host/ohci-st.c
 F:	drivers/watchdog/st_lpc_wdt.c
 F:	drivers/ata/ahci_st.c
+F:	include/linux/remoteproc/st_slim_rproc.h
 
 ARM/STM32 ARCHITECTURE
 M:	Maxime Coquelin <mcoquelin.stm32@gmail.com>