of: simplify arch_find_n_match_cpu_physical_id() function

This commit does not change the function behavior.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 8b5a187..017dd94 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -375,10 +375,7 @@
 					   cpu, thread))
 		return true;
 
-	if (__of_find_n_match_cpu_property(cpun, "reg", cpu, thread))
-		return true;
-
-	return false;
+	return __of_find_n_match_cpu_property(cpun, "reg", cpu, thread);
 }
 
 /**