ARM: dts: oxnas: remove obsolete device tree files

Due to lack of maintainance and stall of development for a few years now,
and since no new features will ever be added upstream, remove support
for OX810 and OX820 devices.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: superna9999

arch/arm/boot/dts/Makefile

@@ -1041,9 +1041,6 @@ dtb-$(CONFIG_ARCH_PXA) += \
 	pxa300-raumfeld-speaker-m.dtb \
 	pxa300-raumfeld-speaker-one.dtb \
 	pxa300-raumfeld-speaker-s.dtb
-dtb-$(CONFIG_ARCH_OXNAS) += \
-	ox810se-wd-mbwe.dtb \
-	ox820-cloudengines-pogoplug-series-3.dtb
 dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8016-sbc.dtb \
 	qcom-apq8026-asus-sparrow.dtb \