asm: remove ARMv4 and ARMv5 CMA support

This commit removes the reference to ARMv4 and ARMv5. These are
unsupported architectures and no one is testing if CMA is working
on these systems.

Signed-off-by: Nathan Hjelm <[email protected]>

Author: hjelmn

config/opal_config_asm.m4

@@ -1222,13 +1222,6 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
             OPAL_GCC_INLINE_ASSIGN='"mov %0, #0" : "=&r"(ret)'
             ;;
 
-        armv5*linux*|armv4*linux*|arm-*-linux-gnueabi)
-            # uses Linux kernel helpers for some atomic operations
-            opal_cv_asm_arch="ARM"
-            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
-              [AC_MSG_ERROR([No atomic primitives available for $host])])
-            ;;
-
         powerpc-*|powerpc64-*|powerpcle-*|powerpc64le-*|rs6000-*|ppc-*)
             OPAL_CHECK_POWERPC_REG
             if test "$ac_cv_sizeof_long" = "4" ; then