MAINTAINERS: Update email of Anatolij Gustschin

Use new email for community work. Also remove my
capricorn SoM maintainer entry since I do not
have access to this hardware anymore.

Signed-off-by: Anatolij Gustschin <ag.dev.uboot@gmail.com>

MAINTAINERS

@@ -1865,7 +1865,7 @@ F:	common/spl_reloc.c
 F:	include/vbe.h
 
 VIDEO
-M:	Anatolij Gustschin <agust@denx.de>
+M:	Anatolij Gustschin <ag.dev.uboot@gmail.com>
 S:	Maintained
 T:	git https://source.denx.de/u-boot/custodians/u-boot-video.git
 F:	drivers/video/

board/siemens/capricorn/MAINTAINERS

@@ -1,6 +1,5 @@
 CAPRICORN BOARD
 M:	Alexander Sverdlin <alexander.sverdlin@siemens.com>
-M:	Anatolij Gustschin <agust@denx.de>
 M:	Heiko Schocher <hs@denx.de>
 M:	Walter Schweizer <walter.schweizer@siemens.com>
 S:	Maintained

board/terasic/de1-soc/MAINTAINERS

@@ -1,5 +1,5 @@
 DE1-SoC BOARD
-M:	Anatolij Gustschin <agust@denx.de>
+M:	Anatolij Gustschin <ag.dev.uboot@gmail.com>
 S:	Maintained
 F:	board/terasic/de1-soc/
 F:	include/configs/socfpga_de1_soc.h

doc/git-mailrc

@@ -13,7 +13,7 @@ alias u-boot uboot
 alias abiessmann     Andreas Bießmann <andreas@biessmann.org>
 alias abrodkin       Alexey Brodkin <alexey.brodkin@synopsys.com>
 alias afleming       Andy Fleming <afleming@gmail.com>
-alias ag             Anatolij Gustschin <agust@denx.de>
+alias ag             Anatolij Gustschin <ag.dev.uboot@gmail.com>
 alias agraf          Alexander Graf <agraf@csgraf.de>
 alias alexnemirovsky Alex Nemirovsky <alex.nemirovsky@cortina-access.com>
 alias alisonwang     Alison Wang <alison.wang@nxp.com>