linux-imx

clk: meson: use dev pointer where possible

The 'dev' pointer is directly available in gxbb and axg clock
controller, so consistently use it instead of going the through the
'pdev' pointer once in while

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>