spl: add option for adding post memory test to the SPL framework

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

doc/README.SPL

@@ -63,3 +63,4 @@ CONFIG_SPL_LIBGENERIC_SUPPORT (lib/libgeneric.o)
 CONFIG_SPL_POWER_SUPPORT (drivers/power/libpower.o)
 CONFIG_SPL_NAND_SUPPORT (drivers/mtd/nand/libnand.o)
 CONFIG_SPL_DMA_SUPPORT (drivers/dma/libdma.o)
+CONFIG_SPL_POST_MEM_SUPPORT (post/drivers/memory.o)

spl/Makefile

@@ -55,6 +55,7 @@ LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
+LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
 
 ifeq ($(SOC),omap3)
 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o