linux-imx

clk: imx: Skip HDMI LPCG clock save/restore

On i.MX8QM, HDMI LPCG clocks operation needs SCU clock "hdmi_ipg_clk"
to be ON, while during noirq suspend phase, "hdmi_ipg_clk" is disabled
by HDMI IRQ STEER driver, so SError will be triggered.

Skip all HDMI LPCG clocks save/restore to avoid this SError during
system suspend/resume, it will NOT introduce additional power consumption
as their parent clock is disabled when suspend.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>