ARM: pxa: enable AUTO_ZRELADDR

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9adc278..47c22a7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -618,6 +618,7 @@
 	select TICK_ONESHOT
 	select PLAT_PXA
 	select SPARSE_IRQ
+	select AUTO_ZRELADDR
 	help
 	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line.