Did it the other way.
Native HTML inside XML view :
<core:View xmlns:core="sap.ui.core" xmlns:mvc="sap.ui.core.mvc"
xmlns="sap.m" controllerName="gridster.grid" xmlns:html="http://www.w3.org/1999/xhtml">
<html:div class="gridster">
<html:ul>
<html:li data-row="1" data-col="1" data-sizex="2" data-sizey="1">
<html:div data-sap-ui-type="sap.ui.commons.Panel">
<html:div data-sap-ui-aggregation="title"
data-sap-ui-type="sap.ui.core.Title" data-text="SAPUI5 Content in HTML Table in SAPUI5 Panel"></html:div>
<html:a href="http://www.sap.com" target="_blank">www.sap.com
</html:a>
</html:div>
</html:li>
<html:li data-row="3" data-col="1" data-sizex="1" data-sizey="1">
<Button xmlns="sap.m" busy="false" busyIndicatorDelay="1000"
visible="true" text="asdasd" type="Default" width="" enabled="true"
icon="" iconFirst="true" activeIcon="" iconDensityAware="true"
textDirection="Inherit" ariaDescribedBy="" ariaLabelledBy="" tap=""
press="">
<tooltip></tooltip> <!-- sap.ui.core.TooltipBase -->
<dependents></dependents> <!-- sap.ui.core.Control, since 1.19 -->
</Button>
</html:li>
<html:li data-row="3" data-col="2" data-sizex="2" data-sizey="1">
3</html:li>
<html:li data-row="1" data-col="2" data-sizex="2" data-sizey="2">
4</html:li>
<html:li class="try" data-row="1" data-col="4" data-sizex="1"
data-sizey="1" data-max-sizex="1" data-max-sizey="1"></html:li>
<html:li data-row="2" data-col="4" data-sizex="2" data-sizey="1"></html:li>
<html:li data-row="3" data-col="4" data-sizex="1" data-sizey="1"></html:li>
<html:li data-row="1" data-col="5" data-sizex="1" data-sizey="1"></html:li>
<html:li data-row="3" data-col="5" data-sizex="1" data-sizey="1"></html:li>
<html:li data-row="1" data-col="6" data-sizex="1" data-sizey="1"></html:li>
<html:li data-row="2" data-col="6" data-sizex="1" data-sizey="2"></html:li>
<html:li data-row="2" data-col="6" data-sizex="1" data-sizey="1"
id="__item107" data-sap-ui="__item107" tabindex="-1" role="option"
class="sapMILI sapMLIB sapMLIB-CTX sapMLIBShowSeparator sapMLIBTypeInactive">
</html:li>
</html:ul>
</html:div>
</core:View>