[compiler-rt][CMake] Support powerpc32 on Linux

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D98831

GitOrigin-RevId: 30029e7407c8d7fa77dadbeeeb0769f1169e98f8
diff --git a/cmake/base-config-ix.cmake b/cmake/base-config-ix.cmake
index a97165d..447232e 100644
--- a/cmake/base-config-ix.cmake
+++ b/cmake/base-config-ix.cmake
@@ -213,9 +213,7 @@
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc64le|ppc64le")
       test_target_arch(powerpc64le "" "-m64")
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
-      if(CMAKE_SYSTEM_NAME MATCHES "AIX")
-        test_target_arch(powerpc "" "-m32")
-      endif()
+      test_target_arch(powerpc "" "-m32")
       test_target_arch(powerpc64 "" "-m64")
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "s390x")
       test_target_arch(s390x "" "")