MAINTAINERS: Update email address for John Stultz

I've switched jobs, so update my email address in MAINTAINERS

Signed-off-by: John Stultz <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Acked-by: Sumit Semwal <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

MAINTAINERS

···
 R:	Liam Mark <[e-mail]>
 R:	Laura Abbott <[e-mail]>
 R:	Brian Starkey <[e-mail]>
-R:	John Stultz <[e-mail]>
+R:	John Stultz <[e-mail]>
 L:	[e-mail]
 L:	[e-mail]
 L:	[e-mail] (moderated for non-subscribers)
···
 DRM DRIVERS FOR HISILICON
 M:	Xinliang Liu <[e-mail]>
 M:	Tian Tao  <[e-mail]>
-R:	John Stultz <[e-mail]>
+R:	John Stultz <[e-mail]>
 R:	Xinwei Kong <[e-mail]>
 R:	Chen Feng <[e-mail]>
 L:	[e-mail]
···
 F:	drivers/net/ethernet/hisilicon/
 
 HIKEY960 ONBOARD USB GPIO HUB DRIVER
-M:	John Stultz <[e-mail]>
+M:	John Stultz <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 F:	drivers/misc/hisi_hikey_usb.c
···
 F:	include/linux/wl12xx.h
 
 TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
-M:	John Stultz <[e-mail]>
+M:	John Stultz <[e-mail]>
 M:	Thomas Gleixner <[e-mail]>
 R:	Stephen Boyd <[e-mail]>
 L:	[e-mail]