Fix travis

.travis.yml

@@ -38,15 +38,16 @@
         - cmake --build .
 
     # Test build for CC13x0 platform
-    - language: cpp
+    - language: minimal
       os: linux
       addons:
         apt:
           sources:
             - ubuntu-toolchain-r-test
           packages:
+            - cmake
       env:
-        - MATRIX_EVAL="CC=arm-none-eabi-gcc && CXX=arm-none-eabi-g++"
+        #- MATRIX_EVAL="CC=arm-none-eabi-gcc && CXX=arm-none-eabi-g++"
         - GCC_URL="https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2?revision=108bd959-44bd-4619-9c19-26187abf5225&la=en&hash=E788CE92E5DFD64B2A8C246BBA91A249CB8E2D2D"
       cache:
         directories:
@@ -55,7 +56,7 @@
         quiet: true
 
       before_install:
-        - eval "${MATRIX_EVAL}"
+        #- eval "${MATRIX_EVAL}"
 
       install:
         - pushd .