doc: update checkout branch in GSG
@@ -165,7 +165,7 @@ To set up the ACRN build environment on the development computer:
cd ~/acrn-work
git clone https://github.com/projectacrn/acrn-hypervisor
cd acrn-hypervisor
- git checkout a7c273996
+ git checkout v2.6
cd ..
git clone https://github.com/projectacrn/acrn-kernel
