README.md: Update to the docker_build_deb section

Signed-off-by: Simon Beaudoin <[email protected]>

Author: simonbeaudoin0935

README.md

@@ -1,11 +1,3 @@
-# Clone qcom-build-utils
-```
- git clone [email protected]:qualcomm-linux/qcom-build-utils.git -b latest
-```
-```
-cd qcom-build-utils
-```
-
 # Build debian package locally
 ```
 ./scripts/docker_deb_build.py --source-dir ./some-pkg-repo --output-dir ./some-pkg-build-dir
@@ -14,12 +6,17 @@ cd qcom-build-utils
 The script docker_deb_build.py is a unified solution to build a debian package.
 It works both on a arm64 or x86_64 build host; it builds natively for arm64 on arm64, and cross compiles on x86
 
-The docker image from docker/Dockerfile.{arch} is used for building. The first time the script is ran, the image will be built.
+The docker image from docker/Dockerfile.{arch}.noble/questing is used for building. The first time the script is ran, the image will be built.
+
+pro-tip : Clone this repo somewhere and add the script as some short (debb == debian build) alias in ~/.bashrc :
 
-pro-tip : Clone this repo somewhere and add the script as some alias in ~/.bashrc :
+```
+alias debb="<loc>/scripts/docker_deb_build.py"
+```
 
+To rebuild the image :
 ```
-alias debbuild="<loc>/scripts/docker_deb_build.py --source-dir ."
+debb --rebuild
 ```
 
 # Sync and build qcom-next