[PATCH V2] Enable stmpe811 on stm32f429-disco board

[dillon . minfei]

This patchset has following one patchs changed in V2 based on V1

Changes in V2:

[Patch V2 3/4]: remove id, blocks, irq-trigger from dts node.

Changes in V1:

[Patch 1/4]: add I2C3 support on STM32F429 SoC
[Patch 2/4]: Add pin map for I2C3 controller on stm32f4
[Patch 3/4]: enable stmpe811 on stm32429-disco board
[Patch 4/4]; Fix stmpe811 get xyz data timeout issue