MAINTAINERS: Add ehci-st.c and ohci-st.c to ARCH/STI architecture

This patch adds the ehci-st.c and ohci-st.c files for the usb 2.0
& usb1.1 host controller drivers found on stih41x and stih4xx STMicroelectronics
SoC's into the STI arch section of the maintainers file.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index a41ffb5..51ecce8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1399,6 +1399,8 @@
 F:	drivers/tty/serial/st-asc.c
 F:	drivers/mmc/host/sdhci-st.c
 F:	drivers/usb/dwc3/dwc3-st.c
+F:	drivers/usb/host/ehci-st.c
+F:	drivers/usb/host/ohci-st.c
 
 ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>