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>
diff --git a/src/arch/x86/cpu_common.c b/src/arch/x86/cpu_common.c
index ee07214..5f7cd5d 100644
--- a/src/arch/x86/cpu_common.c
+++ b/src/arch/x86/cpu_common.c
@@ -245,8 +245,5 @@
 
 	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);
 }