Fix travis missing package.

Patch addes ninja python module to travis qemu compilation issue.

Signed-off-by: Hariharan T.S <[email protected]>

Author: harihare

.travis.yml

@@ -23,7 +23,7 @@ script:
   - (cd doc/; make latexpdf html)
   - ./ci/build-qemu-powernv.sh
   - wget https://openpower.xyz/job/openpower/job/openpower-op-build/label=slave,target=witherspoon/lastSuccessfulBuild/artifact/images/witherspoon.pnor
-  - PATH=$(pwd)/qemu:$PATH ./op-test --bmc-type qemu --qemu-binary `pwd`/qemu/ppc64-softmmu/qemu-system-ppc64 --host-pnor witherspoon.pnor --run-suite qemu
+  - PATH=$(pwd)/qemu/build:$PATH ./op-test --bmc-type qemu --qemu-binary `pwd`/qemu/build/qemu-system-ppc64 --host-pnor witherspoon.pnor --run-suite qemu
 
 deploy:
   provider: pages

requirements.txt

@@ -4,3 +4,4 @@ ptyprocess
 requests
 pysocks
 unittest2
+ninja