Convention for all the other "lake" CPUs is all one word.

So s/RAPTOR_LAKE/RAPTORLAKE/

Fixes: fbdb5e8f ("x86/cpu: Add Raptor Lake to Intel family")
Reported-by: NRui Zhang <rui.zhang@intel.com>
Signed-off-by: NTony Luck <tony.luck@intel.com>
Signed-off-by: NDave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20211119170832.1034220-1-tony.luck@intel.com