xtensa: nommu: provide __invalidate_dcache_page_alias stub
xtensa: nommu: provide __invalidate_dcache_page_alias stub

Signed-off-by: Max Filippov <8c5ea195856807f4f02a6e0749c87ea6b7375f38@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs