[PATCH] clk: meson: enable building as modules

[Stephen Boyd]

Quoting Kevin Hilman (2020-11-09 15:36:22)
> Make it possible to build all clk drivers as modules, but default
> remains built-in.
> 
> No functional changes.
> 
> Signed-off-by: Kevin Hilman <khilman at baylibre.com>
> ---

Acked-by: Stephen Boyd <sboyd at kernel.org>