dm: core: Make SPL_DM_SEQ_ALIAS select SPL_STRTO

Enabling CONFIG_DM_SEQ_ALIAS enables code which relies on
`trailing_strtol()` - which is only linked in SPL when CONFIG_SPL_STRTO
is enabled.

CONFIG_SPL_STRTO is not enabled by default - to ensure this function is
available in SPL, CONFIG_SPL_DM_SEQ_ALIAS should select
CONFIG_SPL_STRTO.

Signed-off-by: Oliver Gaskell <Oliver.Gaskell@analog.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed