Install License file under /opt/rocm

Change-Id: Ifbb7edddfd5eda173039399c47f2d20f813f1710


[ROCm/rdc commit: 346eb5981d]

projects/rdc/CMakeLists.txt

@@ -286,7 +286,7 @@ install(EXPORT rdcTargets DESTINATION
 
 # License file
 set(CPACK_RPM_PACKAGE_LICENSE "MIT")
-install( FILES ${CPACK_RESOURCE_FILE_LICENSE} DESTINATION share/doc/rdc RENAME LICENSE.txt)
+install( FILES ${CPACK_RESOURCE_FILE_LICENSE} DESTINATION ${RDC_CLIENT_INSTALL_PREFIX}/share/doc/rdc RENAME LICENSE.txt)
 
 # Python binding and example
 install(DIRECTORY ${PROJECT_SOURCE_DIR}/python_binding