dtb: make dtb compile dtb according config file.

Change-Id: Ida9529551bca09d39cdef49fdb98cb19bf4281eb
Signed-off-by: QiaoChong <qiaochong@loongson.cn>

Makefile.inc

@@ -218,6 +218,9 @@ uipc_proto.o vfs_conf.o: Makefile
 ${START}: ${TARGET}/${SUBTARGET}/${START:.o=.S} Makefile
 	${NORMAL_S}
 
+dtb:
+	${CC} ${AFLAGS} ${CPPFLAGS}  -E  -D__ASSEMBLY__ -D__DTS__ -x assembler-with-cpp -o $(DTB_O) $(DTB_I)
+
 zpmon: startz.o
 	rm start.o && cp -f startz.o start.o
 	make pmon

zloader/Makefile.inc

@@ -1,5 +1,5 @@
 ifndef PMONCC
-CC=$(CROSS_COMPILE)gcc 
+CC=$(CROSS_COMPILE)gcc -mabi=32
 CROSS_COMPILE ?= mipsel-linux-
 else
 CC=${PMONCC}
@@ -143,7 +143,7 @@ gencode=./genram
 endif
 
 dtb:
-	gcc    -E  -nostdinc  -D__ASSEMBLY__ -undef -D__DTS__ -x assembler-with-cpp  -o ${TARGET}.dtb.i ../Targets/${TARGET}/conf/${TARGET}.dts
+	make -C ../Targets/${TARGET}/compile/${TARGETEL}/ DTB_O=`pwd`/${TARGET}.dtb.i DTB_I=`pwd`/../Targets/${TARGET}/conf/${TARGET}.dts dtb
 	./dtc -I dts -O dtb -o ${TARGET}.dtb  ${TARGET}.dtb.i
 	[ -f gzrom.bin ] && cp gzrom.bin gzrom-dtb.bin && python ../tools/pmonenv.py -f gzrom-dtb.bin -d ${TARGET}.dtb -w  al=\(usb0,0\)/boot/vmlinuz al1=\(wd0,0\)/boot/vmlinuz append="'console=ttyS0,115200 console=tty initcall_debug=1 loglevel=20'" FR=1
 cleanall: clean