MAINTAINERS: Update files for TMIO/SDHI MMC driver

Update files for tmio/sdhi MMC driver to reflect recent filename
changes.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 09b5ab6..3aa367e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12881,7 +12881,7 @@
 L:	linux-mmc@vger.kernel.org
 S:	Supported
 F:	drivers/mmc/host/tmio_mmc*
-F:	drivers/mmc/host/sh_mobile_sdhi.c
+F:	drivers/mmc/host/renesas_sdhi*
 F:	include/linux/mfd/tmio.h
 
 TMP401 HARDWARE MONITOR DRIVER