ci(build): simplify binder driver configuration in build workflow

Remove redundant Rust binder module additions and consolidate configuration changes to use perl for consistent Makefile modifications. This makes the build process more maintainable and reduces complexity.

.github/workflows/build.yml

@@ -601,27 +601,13 @@ jobs:
           fi
           
           if [ -f common/drivers/android/binder/Makefile ]; then
-            perl -i -ne 'print unless /^\s*obj-y\s*\+=\s*binder\/\s*$/' common/drivers/android/Makefile
-          cat << 'EOF' >> common/drivers/android/Makefile
-
-          # Rust binder module
-          obj-m += rust_binder.o
-          rust_binder-$(CONFIG_ANDROID_BINDER_IPC_RUST) := \
-            binder/rust_binder_main.o \
-            binder/rust_binderfs.o \
-            binder/rust_binder_events.o \
-            binder/rust_binder_hooks.o \
-            binder/page_range_helper.o
-
-          # Rust binder dummy module
-          obj-$(CONFIG_ANDROID_BINDER_IPC_RUST_DUMMY) += rust_binder.o
-          rust_binder-$(CONFIG_ANDROID_BINDER_IPC_RUST_DUMMY) := binder/dummy.o
-          
-          EOF
+            perl -i -0777 -pe 's/\$\(\s*CONFIG_ANDROID_BINDER_IPC_RUST\s*\)/m/' common/drivers/android/binder/Makefile
+            cat common/drivers/android/Makefile
+            cat common/drivers/android/binder/Makefile
           else
-            sed -i -E 's/\$\(CONFIG_ANDROID_BINDER_IPC_RUST\)/m/g' common/drivers/android/Makefile
+            perl -i -0777 -pe 's/\$\(\s*CONFIG_ANDROID_BINDER_IPC_RUST\s*\)/m/' common/drivers/android/Makefile
+            cat common/drivers/android/Makefile
           fi
-          cat common/drivers/android/Makefile
 
       - name: Change Kernel Name
         working-directory: ${{ env.KERNEL_ROOT }}