[PATCH] powerpc/dts: fix not include DTC_FLAGS

[Youlin Song]

I wanted to build the fsl dts in my machine and found that
the dtb have not extra space,so uboot will cause about
FDT_ERR_NOSPACE issue.

Signed-off-by: Youlin Song <syl.loop@xxxxxxxxx>
---
 arch/powerpc/boot/dts/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/boot/dts/Makefile b/arch/powerpc/boot/dts/Makefile
index fb335d05aae8..c21165c0cd76 100644
--- a/arch/powerpc/boot/dts/Makefile
+++ b/arch/powerpc/boot/dts/Makefile
@@ -2,5 +2,6 @@
 
 subdir-y += fsl
 
+DTC_FLAGS   ?= -p 1024
 dtstree		:= $(srctree)/$(src)
 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
-- 
2.25.1