platform/x86: intel_skl_int3472: Fix dependencies (drop CLKDEV_LOOKUP)

Besides the fact that COMMON_CLK selects CLKDEV_LOOKUP, the latter
is going to be removed from clock framework.

Reviewed-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210618125516.53510-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>