CONFIG_HWSPINLOCK must be selected explicitly for SMEM and its
dependencies to be enabled.

The update is generated by "make savedefconfig" and as such reflects
changes to the implicit state of other options, as of v4.14-rc1.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>