usb/host/zynq-dr-of: Shorten reset pulse from 5ms to 1us

The datasheet for the ULPI PHY specifies a minimum of 1 microsecond for
asserting the reset line. Reduce the delay to match this value as 5ms
seems overly long.
Revert unintentional wl1271 platform changes

This reverts commit ac9372c253a227b0efba8e34413da8c8ad11e64c.
Revert "staging/ad799x: Add devicetree support"

This reverts commit 6b90fd7d6e048acfeee1697b0151e46f19b6efca.

No longer needed with newer kernel as DT support was properly integrated.
Merge remote-tracking branch 'adi/xcomm_zynq_new_pcore_regmap' into topic-miami-3.15

Conflicts:
	arch/arm/boot/dts/zynq-zc702-adv7511-ad9361.dts
	arch/arm/boot/dts/zynq-zc702-adv7511-ad9364.dts
	arch/arm/boot/dts/zynq-zc702-adv7511.dts
	arch/arm/boot/dts/zynq-zc706-adv7511-ad9361.dts
	arch/arm/boot/dts/zynq-zc706-adv7511-ad9364.dts
	arch/arm/boot/dts/zynq-zc706-adv7511-xcomm.dts
	arch/arm/boot/dts/zynq-zc706-adv7511.dts
	arch/arm/boot/dts/zynq-zed-adv7511-ad9361.dts
	arch/arm/boot/dts/zynq-zed-adv7511-ad9364.dts
	arch/arm/boot/dts/zynq-zed-adv7511-pmod-ad1-da1.dts
	arch/arm/boot/dts/zynq-zed-adv7511.dts
	arch/arm/boot/dts/zynq.dtsi
	include/linux/mmc/sdhci.h
topic-miami-florida.dtsi: Update DT configuration

Adjust devicetree for new kernel
zynq-zed-adv7511.dtsi: Add LED LD9, OLED and push-buttons

Add LD9 and use it as heartbeat LED.
Map the push buttons to the numeric keypad keys.
Add the pinning information for the OLED screen.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>