arch/x86: Directly return result of IS_POWER_OF_2()

Change-Id: I314d726deaed30e69121126ba6834e4c7cafd090
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81299
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>

src/arch/x86/cpu_common.c

@@ -245,8 +245,5 @@ bool is_cache_sets_power_of_two(void)
 
 	size_t cache_sets = cpu_get_cache_sets(&info);
 
-	if (IS_POWER_OF_2(cache_sets))
-		return true;
-
-	return false;
+	return IS_POWER_OF_2(cache_sets);
 }