drm/i915/display: Add compare config for MTL+ platforms

Currently, we may bump into pll mismatch errors during the
state verification stage. This happens when we try to use
fastset instead of full modeset. Hence, we would need to add
a check for pipe configuration to ensure that the sw and the
hw configuration will match. In case of hw and sw mismatch,
we would need to disable fastset and use full modeset instead.

v2: Fix C10 error on PLL comparison (BAT)
    Use memcmp instead of fixed loops for pll config
    comparison (Jani)
    Clean up and use intel_cx0pll_dump_hw_state() to dump
    pll information (Jani)

Reviewed-by: Jani Nikula <[email protected]>
Signed-off-by: Mika Kahola <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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