[PATCH] UniCore32 bugfix: add missed CONFIG_ZONE_DMA

[Guan Xuetao]

Because our PCI-bus handler confines dma zone into 128M, we should add
CONFIG_ZONE_DMA for all boards. Otherwise, all memory bigger than 128M
will be pushed into ZONE_MOVABLE.

Cc: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Liu Guoli <liuguoli@xxxxxxxxxxxxxxx>
Signed-off-by: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
---
 arch/unicore32/Kconfig |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index eeb8054..9f40a57 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -67,6 +67,9 @@ config GENERIC_CALIBRATE_DELAY
 config ARCH_MAY_HAVE_PC_FDC
 	bool
 
+config ZONE_DMA
+	def_bool y
+
 config NEED_DMA_MAP_STATE
        def_bool y
 
-- 
1.7.0.4

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