
Accept flashlayout without header in alternate 0, to simplify the support of stm32prog command with dfu-util. By default the flashlayout file size is the size of the received binary, provided with the offset in the DFU alternate. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>