beremiz

SVGHMI: Adapt to Inkscape 0.92 "-e" replaced by "-o" in 1.2, and workaround access right problem when generating thumbnails.
<xsd:element name="Xenomai">
<xsd:complexType>
%(toolchain_gcc)s
<xsd:attribute name="XenoConfig" type="xsd:string" use="optional" default="xeno-config"/>
</xsd:complexType>
</xsd:element>