[media] MAINTAINERS: add a maintainer for s5p-mfc driver

Add a maintainer for s5p-mfc driver.
Signed-off-by: NJeongtae Park <jtp.park@samsung.com>
Acked-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Acked-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

MAINTAINERS

@@ -1088,6 +1088,7 @@ F:	drivers/media/video/s5p-fimc/
 ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
 M:	Kyungmin Park <kyungmin.park@samsung.com>
 M:	Kamil Debski <k.debski@samsung.com>
+M:     Jeongtae Park <jtp.park@samsung.com>
 L:	linux-arm-kernel@lists.infradead.org
 L:	linux-media@vger.kernel.org
 S:	Maintained