Renesas ARM Based SoC Updates for v4.11
* Allow booting secondary CPU cores in debug mode
* tag 'renesas-soc-for-v4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: rcar-gen2: Remove unused rcar_gen2_read_mode_pins()
ARM: shmobile: r8a7791: Allow booting secondary CPU cores in debug mode
ARM: shmobile: apmu: Allow booting secondary CPU cores in debug mode
ARM: shmobile: apmu: Add debug resource reset for secondary CPU boot
ARM: shmobile: apmu: Add more register documentation
Signed-off-by: Olof Johansson <olof@lixom.net>