clk: meson: axg-audio: Don't duplicate devm_clk_get_enabled()

The clk API just got a function with a slightly different name and
the same functionality. Remove the duplication.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220520075737.758761-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>