SWDEV-346857 - Removed hard coded path /opt/rocm (#2839)

As per the requirements in SWDEV-287540 ,config files should not have hard coded path /opt/rocm.
Removed the same
Also handled the case where ROCM_PATH is defined and not set in ENV. Earlier this condition was getting handled in default case

Change-Id: I9b28c4208175be61bc7c90c1fe2885fd299c5536

cmake/FindHIP.cmake

@@ -63,7 +63,6 @@ if(NOT APPLE)
             "$ENV{ROCM_PATH}/hip"
             ENV HIP_PATH
             ${_IMPORT_PREFIX}
-            /opt/rocm/hip
             DOC "HIP installed location"
             NO_DEFAULT_PATH
             )
@@ -86,8 +85,6 @@ if(NOT APPLE)
         "${HIP_ROOT_DIR}"
         ENV ROCM_PATH
         ENV HIP_PATH
-        /opt/rocm
-        /opt/rocm/hip
         PATH_SUFFIXES bin
         NO_DEFAULT_PATH
         )
@@ -104,8 +101,6 @@ if(NOT APPLE)
         "${HIP_ROOT_DIR}"
         ENV ROCM_PATH
         ENV HIP_PATH
-        /opt/rocm
-        /opt/rocm/hip
         PATH_SUFFIXES bin
         NO_DEFAULT_PATH
         )
@@ -128,8 +123,6 @@ if(NOT APPLE)
         "${HIP_ROOT_DIR}"
         ENV ROCM_PATH
         ENV HIP_PATH
-        /opt/rocm
-        /opt/rocm/hip
         PATH_SUFFIXES bin
         NO_DEFAULT_PATH
         )
@@ -253,8 +246,11 @@ elseif("${HIP_COMPILER}" STREQUAL "clang")
             else()
                 set(HIP_CLANG_PATH "${HIP_PATH}/../llvm/bin")
             endif()
+        # Handle the case where ROCM_PATH is defined and not set in ENV
+        elseif(DEFINED ROCM_PATH)
+            set(HIP_CLANG_PATH "${ROCM_PATH}/llvm/bin")
         else()
-            set(HIP_CLANG_PATH "/opt/rocm/llvm/bin")
+            message(FATAL_ERROR "Unable to find the clang compiler path. Set ROCM_PATH or HIP_PATH in env ")
         endif()
     endif()
     #Number of parallel jobs by default is 1
@@ -680,8 +676,11 @@ macro(HIP_ADD_EXECUTABLE hip_target)
                 else()
                     set(HIP_CLANG_PATH "${HIP_PATH}/../llvm/bin")
                 endif()
+            # Handle  the case where ROCM_PATH is defined and not set in ENV
+            elseif(DEFINED ROCM_PATH)
+                set(HIP_CLANG_PATH "${ROCM_PATH}/llvm/bin")
             else()
-                set(HIP_CLANG_PATH "/opt/rocm/llvm/bin")
+                message(FATAL_ERROR "Unable to find the clang compiler path. Set ROCM_PATH or HIP_PATH in env")
             endif()
         endif()
         set(CMAKE_HIP_LINK_EXECUTABLE "${HIP_HIPCC_CMAKE_LINKER_HELPER} ${HIP_CLANG_PATH} ${HIP_CLANG_PARALLEL_BUILD_LINK_OPTIONS} <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")

hip-lang-config.cmake.in

@@ -65,8 +65,7 @@ find_dependency(amd_comgr)
 
 include( "${CMAKE_CURRENT_LIST_DIR}/hip-lang-targets.cmake" )
 
-#get_filename_component cannot resolve the symlinks if called from /opt/rocm/lib/hip
-#and do three level up again
+# From hip-lang config directory, do three level up
 get_filename_component(_DIR "${CMAKE_CURRENT_LIST_DIR}" REALPATH)
 get_filename_component(_IMPORT_PREFIX "${_DIR}/../../../" REALPATH)
 
@@ -91,7 +90,6 @@ find_path(HSA_HEADER hsa/hsa.h
     "${_IMPORT_PREFIX}/../include" #FILE_REORG_BACKWARD_COMPATIBILITY
     "${_IMPORT_PREFIX}/include"
     "${ROCM_PATH}/include"
-    /opt/rocm/include
 )
 
 if (NOT HSA_HEADER)