ARM: mediatek: Add earlyprintk support for mt8127 & mt8135

Enable low-level debug for Mediatek mt8127 & mt8135 SoC.

Signed-off-by: Joe.C <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
ARM: mediatek: Fix description for mediatek SoCs

We support more MediaTek SoCs now, update the description.

Signed-off-by: Joe.C <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
ARM: dts: Build dtb for mt8127 & mt8135

This allows the "make dtbs" to build the moose and mt8135-evbp1
for MediaTek SoC

Signed-off-by: Joe.C <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
dt-bindings: add more chips in documentation for Mediatek SoC

Add MT8127 & MT8135 from Mediatek.

Signed-off-by: Joe.C <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
ARM: mediatek: Add basic support for mt6592

* A dtsi for boards based on Mediatek MT6592 SoCs
* Compatible string in arch/arm/mach-mediatek/mediatek.c

Signed-off-by: Howard Chen <ibanezchen@gmail.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
ARM: mediatek: add dts for mt6592-evb

The mt6592-evb is an evaluation board based on the MT6592 SoC.

Signed-off-by: Howard Chen <ibanezchen@gmail.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
dt-bindings: add documentation for Mediatek SoC

This adds a DT binding documentation for the MT6592 SoC from Mediatek.

Signed-off-by: Howard Chen <ibanezchen@gmail.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Merge branch 'v3.19-next/dts' into v3.19-next/for-next