Tweak to Kokkos Cuda Makefile allowing it to automatically find the nvcc wrapper

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@14079 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/MAKE/OPTIONS/Makefile.kokkos_cuda

@@ -2,7 +2,8 @@
 
 SHELL = /bin/sh
 
-export OMPI_CXX = ../../lib/kokkos/config/nvcc_wrapper
+KOKKOS_ABSOLUTE_PATH = $(shell cd $(KOKKOS_PATH); pwd)
+export OMPI_CXX = $(KOKKOS_ABSOLUTE_PATH)/config/nvcc_wrapper
 
 # ---------------------------------------------------------------------
 # compiler/linker settings