Merge branch 'QPR_12495_opencl' into 'master'

QPR-12495 enable opencl in swig

See merge request qs/oreswig!73

Author: pcaspers

Docker/Dockerfile-ORESWIG

@@ -32,7 +32,7 @@ RUN find -regex ".*\.\(sh\|in\|ac\|am\)" -exec dos2unix {} ';'
 WORKDIR /swig/OREAnalytics-SWIG/Python
 RUN mkdir build.release
 WORKDIR /swig/OREAnalytics-SWIG/Python/build.release
-RUN cmake -DORE_ENABLE_OPENCL -DORE=/swig ..
+RUN cmake -DORE_ENABLE_OPENCL=ON -DORE=/swig ..
 RUN make -j ${num_cores}
 WORKDIR /
 RUN mkdir oreswig