Merge tag 'renesas-dt-cleanups-for-v3.19' into koelsch-board-removal-for-v3.19.base

Renesas ARM Based SoC DT Cleanups for v3.19

* Add chosen/stdout-path to DTS files for shmobile boards
* Remove r7s72100-genmai.dtb for ARCH_SHMOBILE_LEGACY
  - The corresponding board file has already been removed
* Sort dts nodes by address
* Sort SHMOBILE dtbs alphabetically in Makefile