oxnas: add DTB for Akitio devices in patches-4.1

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/oxnas/patches-4.1/900-more-boards.patch

@@ -1,11 +1,12 @@
 --- a/arch/arm/boot/dts/Makefile
 +++ b/arch/arm/boot/dts/Makefile
-@@ -442,7 +442,10 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
+@@ -442,7 +442,11 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
  	orion5x-lacie-ethernet-disk-mini-v2.dtb \
  	orion5x-maxtor-shared-storage-2.dtb \
  	orion5x-rd88f5182-nas.dtb
 -dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
-+dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb \
++dtb-$(CONFIG_ARCH_OXNAS) += ox820-akitio.dtb \
++	ox820-pogoplug-pro.dtb \
 +	ox820-pogoplug-v3.dtb \
 +	ox820-stg212.dtb \
 +	ox820-kd20.dtb