tree ed7039b735f94200671634742cceb9de4d47d27e
parent 2aabbed6774f231c57f8ae6bc4f856fb2a75cd6a
author Masahiro Yamada <yamada.masahiro@socionext.com> 1543569352 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> 1544233362 +0900

kconfig: remove k_invalid from expr_parse_string() return type

The only possibility of k_invalid being returned was when
expr_parse_sting() parsed S_OTHER type symbol. This actually never
happened, and this is even clearer since S_OTHER has gone.

Clean up unreachable code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>