MAINTAINERS: Theodore Ts'o is taking over the random driver

Matt Mackall stepped down as the /dev/random driver maintainer last
year, so Theodore Ts'o is taking back the /dev/random driver.

Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/MAINTAINERS b/MAINTAINERS
index eb22272..335c525 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5634,7 +5634,7 @@
 F:	drivers/block/brd.c
 
 RANDOM NUMBER DRIVER
-M:	Matt Mackall <mpm@selenic.com>
+M:	Theodore Ts'o" <tytso@mit.edu>
 S:	Maintained
 F:	drivers/char/random.c