mach-ipq40xx: use OF_UPSTREAM

Now that drivers are compatible enough with the upstream DTS, there is no
reason to not use the upstream DTS, so imply OF_UPSTREAM by default.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Acked-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index db692b2..ba0359f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -769,6 +769,7 @@
 	select CLK_QCOM_IPQ4019
 	select PINCTRL_QCOM_IPQ4019
 	imply CMD_DM
+	imply OF_UPSTREAM
 
 config ARCH_KEYSTONE
 	bool "TI Keystone"