post: convert makefiles to Kbuild style
This commit also deletes post/rules.mk,
which in not necessary any more.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/post/cpu/mpc8xx/Makefile b/post/cpu/mpc8xx/Makefile
index efde1fb..7a2930a 100644
--- a/post/cpu/mpc8xx/Makefile
+++ b/post/cpu/mpc8xx/Makefile
@@ -4,11 +4,8 @@
#
# SPDX-License-Identifier: GPL-2.0+
#
-include $(OBJTREE)/include/autoconf.mk
-LIB = libpostmpc8xx.o
-
-AOBJS-$(CONFIG_HAS_POST) += cache_8xx.o
-COBJS-$(CONFIG_HAS_POST) += cache.o ether.o spr.o uart.o usb.o watchdog.o
+CPPFLAGS += -I$(TOPDIR)
-include $(TOPDIR)/post/rules.mk
+obj-$(CONFIG_HAS_POST) += cache_8xx.o
+obj-$(CONFIG_HAS_POST) += cache.o ether.o spr.o uart.o usb.o watchdog.o