Update email address and company name

This patch updates my email address and company name.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
diff --git a/doc/git-mailrc b/doc/git-mailrc
index 63c2f6e..b00c278 100644
--- a/doc/git-mailrc
+++ b/doc/git-mailrc
@@ -95,7 +95,7 @@
 
 alias powerpc        uboot, afleming, stroese, wd, priyankajain, mariosix
 alias ppc            powerpc
-alias mpc8xx         uboot, wd, Christophe Leroy <christophe.leroy@c-s.fr>
+alias mpc8xx         uboot, wd, Christophe Leroy <christophe.leroy@csgroup.eu>
 alias mpc83xx        uboot, mariosix
 alias mpc85xx        uboot, afleming, priyankajain