post: Migrate to Kconfig

We move the existing CONFIG_POST_* functionality over to CFG_POST and
then introduce CONFIG_POST to Kconfig.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/kmcent2.h b/include/configs/kmcent2.h
index 89c5a24..527f038 100644
--- a/include/configs/kmcent2.h
+++ b/include/configs/kmcent2.h
@@ -148,7 +148,7 @@
 #define CFG_SYS_INIT_L2CSR0		L2CSR0_L2E
 
 /* POST memory regions test */
-#define CONFIG_POST CFG_SYS_POST_MEM_REGIONS
+#define CFG_POST CFG_SYS_POST_MEM_REGIONS
 
 /*
  *  Config the L3 Cache as L3 SRAM