[PATCH] MAINTAINERS: fix location of moxa-smartio.rst

[Randy Dunlap]

The moxa-smartio.rst file was moved to a different location,
so update the MAINTAINERS file entry for it.

Quietens one build warning:

MAINTAINERS:29715: WARNING: unknown document: ../driver-api/serial/moxa-smartio

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Fixes: 5b437ae9fcbb ("Documentation: tty: move moxa-smartio.rst to tty")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 MAINTAINERS |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13313,7 +13313,7 @@ F:	drivers/net/phy/motorcomm.c
 MOXA SMARTIO/INDUSTIO/INTELLIO SERIAL CARD
 M:	Jiri Slaby <jirislaby@xxxxxxxxxx>
 S:	Maintained
-F:	Documentation/driver-api/serial/moxa-smartio.rst
+F:	Documentation/driver-api/tty/moxa-smartio.rst
 F:	drivers/tty/mxser.*
 
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