MAINTAINERS: add Eric Biggers as an fscrypt maintainer

Also update the location of the git tree as we will be using a shared
git tree.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Eric Biggers <ebiggers@google.com>

MAINTAINERS

@@ -6193,9 +6193,10 @@ F:	include/linux/fscache*.h
 FSCRYPT: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
 M:	Theodore Y. Ts'o <tytso@mit.edu>
 M:	Jaegeuk Kim <jaegeuk@kernel.org>
+M:	Eric Biggers <ebiggers@kernel.org>
 L:	linux-fscrypt@vger.kernel.org
 Q:	https://patchwork.kernel.org/project/linux-fscrypt/list/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git
+T:	git git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git
 S:	Supported
 F:	fs/crypto/
 F:	include/linux/fscrypt*.h