ARM64 Platform support for R8A774A1 (RZ/G2M)

configname: CONFIG_ARCH_R8A774A1

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Renesas SoC driver support
└─>ARM64 Platform support for R8A774A1 (RZ/G2M)
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This enables support for the Renesas RZ/G2M SoC.