Restructure POST directory to support of other CPUs, boards, etc.
diff --git a/post/Makefile b/post/Makefile
index 228bafc..f32af95 100644
--- a/post/Makefile
+++ b/post/Makefile
@@ -22,14 +22,10 @@
#
-SUBDIRS = cpu
+SUBDIRS = drivers cpu lib_$(ARCH) board/$(BOARDDIR)
LIB = libpost.a
-AOBJS = cache_8xx.o
-COBJS = cache.o codec.o cpu.o dsp.o ether.o
-COBJS += i2c.o memory.o post.o rtc.o
-COBJS += spr.o sysmon.o tests.o uart.o
-COBJS += usb.o watchdog.o
+COBJS = post.o tests.o
include $(TOPDIR)/post/rules.mk