doc: Add zynq fragment to git-mailrc file

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Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/doc/git-mailrc b/doc/git-mailrc
index 3d97d30..ae7e7bf 100644
--- a/doc/git-mailrc
+++ b/doc/git-mailrc
@@ -62,6 +62,7 @@
 alias tegra          uboot, sjg, Tom Warren <twarren@nvidia.com>, Stephen Warren <swarren@nvidia.com>
 alias tegra2         tegra
 alias ti             uboot, trini
+alias zynq           uboot, monstr
 
 alias avr32          uboot, abiessmann