clk: meson-gxbb: un-export the CPU clock

The CPU clock defined in the Meson GX clock driver is actually a
left-over from the Meson8b clock controller. Un-export the clock so we
can remove it from the driver.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2 files changed