MAINTAINERS: adjust printk/vsprintf entries

M should be earned.
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20230705131511.2806776-1-senozhatsky@chromium.org

MAINTAINERS

@@ -16807,9 +16807,9 @@ F:	kernel/sched/psi.c
 
 PRINTK
 M:	Petr Mladek <pmladek@suse.com>
-M:	Sergey Senozhatsky <senozhatsky@chromium.org>
 R:	Steven Rostedt <rostedt@goodmis.org>
 R:	John Ogness <john.ogness@linutronix.de>
+R:	Sergey Senozhatsky <senozhatsky@chromium.org>
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git
 F:	include/linux/printk.h
@@ -22413,9 +22413,9 @@ F:	drivers/net/vrf.c
 VSPRINTF
 M:	Petr Mladek <pmladek@suse.com>
 M:	Steven Rostedt <rostedt@goodmis.org>
-M:	Sergey Senozhatsky <senozhatsky@chromium.org>
 R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 R:	Rasmus Villemoes <linux@rasmusvillemoes.dk>
+R:	Sergey Senozhatsky <senozhatsky@chromium.org>
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git
 F:	Documentation/core-api/printk-formats.rst