feat ✨: Update PATH for MSP430 ELF GCC tool verification and usage

- The MAIN GOAL of these changes is to verify and update the PATH environment variable with the MSP430 ELF GCC tool.

.gitea/workflows/ci.yml

@@ -36,12 +36,20 @@ jobs:
 
           ls -alt /tmp/msp430-gcc-9.3.1.11_linux64/bin/
 
-          echo "export PATH=/tmp/msp430-gcc-9.3.1.11_linux64/bin:$PATH" >> ~/.bashrc
-          source ~/.bashrc
-
           # You would also install the necessary firmware building tools if they are available
           # or set up cross-compilation for ARM
       
+      - name: Verify and update PATH for MSP430 ELF GCC
+        run: |
+          if [ -f "/tmp/msp430-gcc-9.3.1.11_linux64/bin/msp430-elf-gcc" ]; then
+            echo "MSP430 GCC found."
+          else
+            echo "MSP430 GCC not found!"
+            exit 1
+          fi
+          echo "export PATH=/tmp/msp430-gcc-9.3.1.11_linux64/bin:$PATH" >> ~/.bashrc
+          source ~/.bashrc
+
       - name: Check if msp430-elf-gcc is available
         run: |
           which msp430-elf-gcc