post: descend only when CONFIG_HAS_POST is defined

All objects under post/ directory are enabled by CONFIG_HAS_POST.
(post/tests.o is enabled by CONFIG_POST_STD_LIST.
But CONFIG_POST_STD_LIST depends on CONFIG_HAS_POST.)

We can move CONFIG_HAS_POST switch to the top Makefile.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/post/lib_powerpc/fpu/Makefile b/post/lib_powerpc/fpu/Makefile
index ee01a31..ae56a82 100644
--- a/post/lib_powerpc/fpu/Makefile
+++ b/post/lib_powerpc/fpu/Makefile
@@ -5,15 +5,15 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_HAS_POST)	+= 20001122-1.o
-obj-$(CONFIG_HAS_POST)	+= 20010114-2.o
-obj-$(CONFIG_HAS_POST)	+= 20010226-1.o
-obj-$(CONFIG_HAS_POST)	+= 980619-1.o
-obj-$(CONFIG_HAS_POST)	+= acc1.o
-obj-$(CONFIG_HAS_POST)	+= compare-fp-1.o
-obj-$(CONFIG_HAS_POST)	+= fpu.o
-obj-$(CONFIG_HAS_POST)	+= mul-subnormal-single-1.o
-obj-$(CONFIG_HAS_POST)	+= darwin-ldouble.o
+obj-y	+= 20001122-1.o
+obj-y	+= 20010114-2.o
+obj-y	+= 20010226-1.o
+obj-y	+= 980619-1.o
+obj-y	+= acc1.o
+obj-y	+= compare-fp-1.o
+obj-y	+= fpu.o
+obj-y	+= mul-subnormal-single-1.o
+obj-y	+= darwin-ldouble.o
 
 CFLAGS := $(shell echo $(CFLAGS) | sed s/-msoft-float//)
 CFLAGS += -mhard-float -fkeep-inline-functions