xtensa: fix declaration of _SecondaryResetVector_text_*

Secondary reset vector is defined, compiled and used when
CONFIG_SECONDARY_RESET_VECTOR is enabled, not only on SMP.
Make declarations of _SecondaryResetVector_text_* symbols available
accordingly.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
1 file changed