arm64: dts: Add dts files for 64-bit Exynos5433 SoC

arm64: dts: Add dts files for 64-bit Exynos5433 SoC

This patch adds new Exynos5433 dtsi to support 64-bit Exynos5433 SoC
based on Octal core CPUs (quad Cortex-A57 and quad Cortex-A53). And
Exynos5433 supports PSCI (Power State Coordination Interface) v0.1.

This patch includes following dt node to support Exynos5433 SoC:
1. Octa core for big.LITTLE architecture
- Cortex-A53 LITTLE Quad-core
- Cortex-A57 big Quad-core
- Support PSCI v0.1

2. clock controller node:
- CMU_TOP   : clocks for IMEM/FSYS/G3D/GSCL/HEVC/MSCL/G2D/MFC/PERIC/PERIS
- CMU_CPIF  : clocks for LLI (Low Latency Interface)
- CMU_MIF   : clocks for DRAM Memory Controller
- CMU_PERIC : clocks for UART/I2C/SPI/I2S/PCM/SPDIF/PWM/SLIMBUS
- CMU_PERIS : clocks for PMU/TMU/MCT/WDT/RTC/SECKEY/TZPC
- CMU_FSYS  : clocks for USB/UFS/SDMMC/TSI/PDMA
- CMU_G2D   : clocks for G2D/MDMA
- CMU_DISP  : clocks for DECON/HDMI/DSIM/MIXER
- CMU_AUD   : clocks for Cortex-A5/BUS/AUDIO
- CMU_BUS{0|1|2} : clocks for global data buses and global peripheral buses
- CMU_G3D   : clocks for 3D Graphics Engine
- CMU_GSCL  : clocks for GSCALER
- CMU_APOLLO: clocks for Cortex-A53 Quad-core processor.
- CMU_ATLAS : clocks for Cortex-A57 Quad-core processor,
              CoreSight and L2 cache controller.
- CMU_MSCL  : clocks for M2M (Memory to Memory) scaler and JPEG IPs.
- CMU_MFC   : clocks for MFC (Multi-Format Codec) IP.
- CMU_HEVC  : clocks for HEVC(High Efficiency Video Codec) decoder IP.
- CMU_ISP   : clocks for FIMC-ISP/DRC/SCLC/DIS/3DNR IPs.
- CMU_CAM0  : clocks for MIPI_CSIS{0|1}/FIMC_LITE_{A|B|D}/FIMC_3AA{0|1} IPs.
- CMU_CAM1  : clocks for COrtex-A5/MIPI_CSIS2/FIMC_LITE_C/FIMC-FD IPs.

3. pinctrl node for GPIO:
- alive/aud/cpif/ese/finger/fsys/imem/nfc/peric/touch pad

4. HS (High-Speed) I2C device
5. Serial device
6. ARCH timer (arm,armv8-timer)
7. Interrupt controller (arm,gic-400)

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>