Travis: allow build/make to print output

As we have now matrix for targets, there might be some targets that take longer to compile.
It can timeout, if we produce an output after every target that it was build, it
should extend the timeout per target build.

Author: 0xc0170

.travis.yml

@@ -179,7 +179,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor NXP | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor NXP
 
     - python: '2.7'
       env:
@@ -196,7 +196,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor STM | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor STM
 
     - python: '2.7'
       env:
@@ -213,7 +213,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor NORDIC | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor NORDIC
 
     - python: '2.7'
       env:
@@ -230,7 +230,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor SILICON_LABS | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor SILICON_LABS
 
     - python: '2.7'
       env:
@@ -247,7 +247,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor MAXIM | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor MAXIM
 
     - python: '2.7'
       env:
@@ -264,7 +264,7 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor ATMEL | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor ATMEL
 
     - python: '2.7'
       env:
@@ -281,4 +281,4 @@ matrix:
         - mkdir BUILD
       script:
         # Run local mbed 2 testing
-        - python2 -u tools/build_travis.py --vendor NUVOTON | sed -n '/^Executing/p'
+        - python2 -u tools/build_travis.py --vendor NUVOTON