xtensa: mmu: cache common data and heap if !XTENSA_RPO_CACHE

If CONFIG_XTENSA_RPO_CACHE is not enabled, it can be assumed
that memory is not double mapped in hardware for cached and
uncached access. So we can specify those regions to have
cache via TLB.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed