SWDEV-287830 - Remove hardcoding of /opt/rocm path from hip samples (#2391)

Change-Id: I4ffcb4d5afe329377aca63ae0a962c1dc567bfd8

samples/2_Cookbook/15_static_library/host_functions/CMakeLists.txt

@@ -2,8 +2,12 @@ project(static_lib)
 
 cmake_minimum_required(VERSION 3.10)
 
+if (NOT DEFINED ROCM_PATH )
+     set ( ROCM_PATH "/opt/rocm"  CACHE STRING "Default ROCM installation directory." )
+endif ()
+
 # Search for rocm in common locations
-list(APPEND CMAKE_PREFIX_PATH /opt/rocm/hip /opt/rocm)
+list(APPEND CMAKE_PREFIX_PATH ${ROCM_PATH}/hip ${ROCM_PATH})
 
 # Find hip
 find_package(hip REQUIRED)

samples/2_Cookbook/15_static_library/host_functions/Makefile

@@ -1,4 +1,5 @@
-HIP_PATH?= $(wildcard /opt/rocm/hip)
+ROCM_PATH?= $(wildcard /opt/rocm/)
+HIP_PATH?= $(wildcard $(ROCM_PATH)/hip)
 ifeq (,$(HIP_PATH))
 	HIP_PATH=../../..
 endif