Update the build instructions for Raspberry Pi (#36252)

Author: yufengwangca

examples/fabric-admin/README.md

@@ -23,13 +23,13 @@ For Raspberry Pi 4 example:
 ### Pull Docker Images
 
 ```
-docker pull connectedhomeip/chip-build-vscode:latest
+docker pull ghcr.io/project-chip/chip-build-crosscompile:81
 ```
 
 ### Run docker
 
 ```
-docker run -it -v ~/connectedhomeip:/var/connectedhomeip connectedhomeip/chip-build-vscode:latest /bin/bash
+docker run -it -v ~/connectedhomeip:/var/connectedhomeip ghcr.io/project-chip/chip-build-crosscompile:81 /bin/bash
 ```
 
 ### Build
@@ -38,8 +38,6 @@ docker run -it -v ~/connectedhomeip:/var/connectedhomeip connectedhomeip/chip-bu
 cd /var/connectedhomeip
 
 git config --global --add safe.directory /var/connectedhomeip
-git config --global --add safe.directory /var/connectedhomeip/third_party/pigweed/repo
-git config --global --add safe.directory /var/connectedhomeip/examples/common/QRCode/repo
 
 ./scripts/run_in_build_env.sh \
  "./scripts/build/build_examples.py \

examples/fabric-bridge-app/linux/README.md

@@ -100,13 +100,13 @@ defined:
     Pull Docker Images
 
     ```
-    docker pull connectedhomeip/chip-build-vscode:latest
+    docker pull ghcr.io/project-chip/chip-build-crosscompile:81
     ```
 
     Run docker
 
     ```
-    docker run -it -v ~/connectedhomeip:/var/connectedhomeip connectedhomeip/chip-build-vscode:latest /bin/bash
+    docker run -it -v ~/connectedhomeip:/var/connectedhomeip ghcr.io/project-chip/chip-build-crosscompile:81 /bin/bash
     ```
 
     Build
@@ -115,8 +115,6 @@ defined:
     cd /var/connectedhomeip
 
     git config --global --add safe.directory /var/connectedhomeip
-    git config --global --add safe.directory /var/connectedhomeip/third_party/pigweed/repo
-    git config --global --add safe.directory /var/connectedhomeip/examples/common/QRCode/repo
 
     ./scripts/run_in_build_env.sh \
      "./scripts/build/build_examples.py \

examples/fabric-sync/README.md

@@ -92,13 +92,13 @@ defined:
     Pull Docker Images
 
     ```
-    docker pull connectedhomeip/chip-build-vscode:latest
+    docker pull ghcr.io/project-chip/chip-build-crosscompile:81
     ```
 
     Run docker
 
     ```
-    docker run -it -v ~/connectedhomeip:/var/connectedhomeip connectedhomeip/chip-build-vscode:latest /bin/bash
+    docker run -it -v ~/connectedhomeip:/var/connectedhomeip ghcr.io/project-chip/chip-build-crosscompile:81 /bin/bash
     ```
 
     Build
@@ -107,8 +107,6 @@ defined:
     cd /var/connectedhomeip
 
     git config --global --add safe.directory /var/connectedhomeip
-    git config --global --add safe.directory /var/connectedhomeip/third_party/pigweed/repo
-    git config --global --add safe.directory /var/connectedhomeip/examples/common/QRCode/repo
 
     ./scripts/run_in_build_env.sh \
      "./scripts/build/build_examples.py \