Update other GPU containers

tools/singularity/ubuntu20.04_gpu.def

@@ -39,6 +39,8 @@ From: ubuntu:20.04
         cmake \
         cmake-curses-gui \
         curl \
+        doxygen \
+        enchant \
         g++ \
         gcc \
         gfortran \
@@ -47,6 +49,7 @@ From: ubuntu:20.04
         less \
         libblas-dev \
         libeigen3-dev \
+        libenchant-dev \
         libfftw3-dev \
         libgsl-dev \
         libhdf5-serial-dev \
@@ -123,7 +126,7 @@ From: ubuntu:20.04
     mkdir hipCUB/build
     cd hipCUB/build
     CXX=hipcc cmake -D BUILD_TEST=off ..
-    make -j 8
+    make
     make package
     make install