uboot-imx

mailmap: Fix broken email from fit_image.c

The patch
"tools/mkimage: Fix DTC run command to handle file names with space"
(sha1: a6e9810495bc929b6beafb88f557cdaadf87fc83) contains comma in name
which is confusing patman. Fix it by defining Mirza's email in mailmap.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>