rockchip: add Kever Yang as co-custodian

This updates MAINTAINERS and git-mailrc to add me as a
co-custodian for rockchip
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Reviewed-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: NJagan Teki <jagan@amarulasolutions.com>
Acked-by: NTom Rini <trini@konsulko.com>

MAINTAINERS

@@ -239,6 +239,7 @@ F:	arch/arm/mach-rmobile/
 ARM ROCKCHIP
 M:	Simon Glass <sjg@chromium.org>
 M:	Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
+M:	Kever Yang <kever.yang@rock-chips.com>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-rockchip.git
 F:	arch/arm/include/asm/arch-rockchip/

doc/git-mailrc

@@ -26,6 +26,7 @@ alias iwamatsu       Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
 alias jaehoon        Jaehoon Chung <jh80.chung@samsung.com>
 alias jagan          Jagan Teki <jagan@amarulasolutions.com>
 alias jhersh         Joe Hershberger <joe.hershberger@ni.com>
+alias kevery         Kever Yang <kever.yang@rock-chips.com>
 alias lukma          Lukasz Majewski <lukma@denx.de>
 alias macpaul        Macpaul Lin <macpaul@andestech.com>
 alias marex          Marek Vasut <marex@denx.de>
@@ -70,7 +71,7 @@ alias tegra2         tegra
 alias ti             uboot, trini
 alias uniphier       uboot, masahiro
 alias zynq           uboot, monstr
-alias rockchip       uboot, sjg, Kever Yang <kever.yang@rock-chips.com>, ptomsich
+alias rockchip       uboot, sjg, kevery, ptomsich
 
 alias m68k           uboot, alisonwang, angelo_ts
 alias coldfire       m68k