MAINTAINERS: Add maintainers entry for drivers/memory/samsung

Add maintainers entry for new driver folder drivers/memory/samsung.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 03e00c7..0d2a264 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1540,6 +1540,7 @@
 F:	arch/arm/mach-exynos*/
 F:	drivers/*/*s3c2410*
 F:	drivers/*/*/*s3c2410*
+F:	drivers/memory/samsung/*
 F:	drivers/soc/samsung/*
 F:	drivers/spi/spi-s3c*
 F:	sound/soc/samsung/*