xilinx-mirrors: Modify qemu MIRRORS to use gitsm instead of git
xilinx-mirrors: Modify qemu MIRRORS to use gitsm instead of git

Modify qemu MIRROS to use gitsm instead of git

Signed-off-by: Sai Hari Chandana Kalluri <dcd6f85a7bffd89d026445db0f5113d6d436d06a@xilinx.com>

Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux