Add mtk install instruction to BQ mtk devices

Change-Id: I647d10bd3a08b7d4a5209a6390aba4d2274dd859
diff --git a/_devices/bqaquarise6.markdown b/_devices/bqaquarise6.markdown
index 0b7af16..55195e4 100644
--- a/_devices/bqaquarise6.markdown
+++ b/_devices/bqaquarise6.markdown
@@ -13,6 +13,8 @@
 

 {% include supportstatus.html %}

 

+{% include mtkinstall.html %}

+

 {% include appinstall.html %}

 

 {% include download.html %}