modify build CI task

Author: romancardenas

riscv-rt/.github/workflows/blobs.yaml

@@ -1,6 +1,6 @@
 on:
   push:
-    branches: [ master ]
+    branches: [ master, global_asm ]
   pull_request:
   merge_group:
 
@@ -18,6 +18,9 @@ jobs:
           - riscv32imac-unknown-none-elf
           - riscv64imac-unknown-none-elf
           - riscv64gc-unknown-none-elf
+        example:
+          - empty
+          - multi_core
         cargo_flags: [ "--no-default-features", "--all-features" ]
         include:
           # Nightly is only for reference and allowed to fail
@@ -33,6 +36,8 @@ jobs:
           targets: ${{ matrix.target }}
       - name: Build library
         run: cargo build --target ${{ matrix.target }} ${{ matrix.cargo_flags }}
+      - name: Build example
+        run: RUSTFLAGS="-C link-arg=-Texamples/device.x" cargo build --target ${{ matrix.target }} --example ${{ matrix.example }} ${{ matrix.cargo_flags }}
 
   # Job to check that all the builds succeeded
   build-check: