CMake - Prevent failure to build on non-amd64 targets

Change-Id: Ifaa59fb672ea01c07cffea6cd2429bec15a5deaf
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>

Co-authored-by: Étienne Mollier <emollier@debian.org>
Change-Id: Ia691ab1db0061f04662e10e112da4b9ef06c4256


[ROCm/rocm_smi_lib commit: 1cf05dd9c7]

projects/rocm-smi-lib/CMakeLists.txt

@@ -72,7 +72,11 @@ endif()
 
 ## Compiler flags
 set(CMAKE_CXX_FLAGS
- "${CMAKE_CXX_FLAGS} -Wall -Wextra -fno-rtti -m64 -msse -msse2 ")
+ "${CMAKE_CXX_FLAGS} -Wall -Wextra -fno-rtti")
+if (${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+    set(CMAKE_CXX_FLAGS
+     "${CMAKE_CXX_FLAGS} -m64 -msse -msse2")
+endif()
 
 # Security options
 set(CMAKE_CXX_FLAGS