linux-wandboard

MLK-16225: clk: imx8qm: Add LPCG_ADDR macro

All this does is replace the cast from physical address with a macro in
order to make later changes easier.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Ranjani Vaidyanathan <Ranjani.vaidyanathan@nxp.com>