disk_image: use DOS partition table and FAT for the first partition

This way, ImageBuilder can generate an SD card image with BOOT.BIN
bootable on Xilinx ZCU102 systems.

Retain the ability to generate a GPT partition table with a GPT
config option.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Tested-by: Andrea Stevanato <andrea.stevanato@santannapisa.it>

1 files changed, 6 insertions, 0 deletions

diff --git a/README.md b/README.md
index e74d86d..8ce13f0 100644
--- a/README.md
+++ b/README.md
@@ -281,6 +281,12 @@ Where:\
    for instance -t "fatload" is valid.
 
 
+disk\_image supports these additional parameters on the config file:
+
+- GPT is optional and select the usage of a GPT partition table (sgdisk
+  is required)
+
+
 disk_image also generates on the fly a xl config file for each domU and
 adds them to the dom0 rootfs partition under /etc/xen. It makes it
 easier to start those domUs from dom0.