doc/git-mailrc: update at91 and avr32

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

doc/git-mailrc

@@ -11,6 +11,7 @@ alias u-boot uboot
 # Maintainer aliases.  Use the same alias here as patchwork to keep
 # things simple and easy to look up/coordinate.
 alias aaribaud       Albert Aribaud <albert.u.boot@aribaud.net>
+alias abiessmann     Andreas Bießmann <andreas.devel@googlemail.com>
 alias afleming       Andy Fleming <afleming@freescale.com>
 alias ag             Anatolij Gustschin <agust@denx.de>
 alias galak          Kumar Gala <galak@kernel.crashing.org>
@@ -39,7 +40,7 @@ alias arch           arm, avr32, bfin, m68k, microblaze, mips, nds32, nios2, pow
 alias arches         arch
 
 alias arm            uboot, aaribaud
-alias at91           uboot, reinhardm
+alias at91           uboot, abiessmann
 alias davinci        ti
 alias imx            uboot, sbabic
 alias kirkwood       uboot, prafulla
@@ -52,7 +53,7 @@ alias tegra          uboot, Simon Glass <sjg@chromium.org>, Tom Warren <twarren@
 alias tegra2         tegra
 alias ti             uboot, Tom Rini <trini@ti.com>
 
-alias avr32          uboot, Andreas Bießmann <andreas.devel@googlemail.com>
+alias avr32          uboot, abiessmann
 
 alias bfin           uboot, vapier
 alias blackfin       bfin