MAINTAINERS: add entry for staging/fbtft/

Add MAINTAINERS entry for staging/fbtft/
FBTFT is a framework for writing framebuffer drivers
for displays with LCD controllers having onchip RAM.
Signed-off-by: NNoralf Trønnes <noralf@tronnes.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -3872,6 +3872,12 @@ S:	Supported
 F:	Documentation/fault-injection/
 F:	lib/fault-inject.c
 
+FBTFT Framebuffer drivers
+M:	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+M:	Noralf Trønnes <noralf@tronnes.org>
+S:	Maintained
+F:	drivers/staging/fbtft/
+
 FCOE SUBSYSTEM (libfc, libfcoe, fcoe)
 M:	Robert Love <robert.w.love@intel.com>
 L:	fcoe-devel@open-fcoe.org