Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"

As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 82018bd..ff1fdee 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -23,6 +23,7 @@
 config TARGET_MT7623
 	bool "MediaTek MT7623 SoC"
 	select CPU_V7A
+	select MMC_SUPPORTS_TUNING
 	help
 	  The MediaTek MT7623 is a ARM-based SoC with a quad-core Cortex-A7
 	  including NEON and GPU, Mali-450 graphics, several DDR3 options,