MAINTAINERS: ubi/ubifs: Update the Git repository

UBI/UBIFS development now happens on Richard Weinberger's kernel.org
'ubifs' repository.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Richard Weinberger <richard@nod.at>

MAINTAINERS

@@ -16578,7 +16578,8 @@ F:	drivers/media/pci/tw686x/
 UBI FILE SYSTEM (UBIFS)
 M:	Richard Weinberger <richard@nod.at>
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/ubifs-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
 W:	http://www.linux-mtd.infradead.org/doc/ubifs.html
 S:	Supported
 F:	Documentation/filesystems/ubifs.txt
@@ -16696,7 +16697,8 @@ UNSORTED BLOCK IMAGES (UBI)
 M:	Richard Weinberger <richard@nod.at>
 W:	http://www.linux-mtd.infradead.org/
 L:	linux-mtd@lists.infradead.org
-T:	git git://git.infradead.org/ubifs-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
 S:	Supported
 F:	drivers/mtd/ubi/
 F:	include/linux/mtd/ubi.h