LTSI-v4.14 Preparation for Renesas SoCs (to v4.17)

Base:
* v4.14.48
* Similar backport of components for Renesas SoCs to v4.16

Backports of the following components to their standard as of v4.17:
* at24
* cpg
* dw-hdmi
* gen3
* gpio-rcar
* i2c-rcar
* i2c-sh-mobile
* ipmmu-vmsa
* irq-renesas-irqc
* m25p80
* mach-shmobile
* pci-rcar-gen2
* pcie-rcar
* phy-micrel
* ravb
* rcar-can
* rcar-dmac
* rcar-du
* rcar-snd
* rcar-thermal
* rcar-vin
* renesas-sdhi
* renesas-soc-id
* sata-rcar
* sh-drivers
* sh-eth
* sh-flctl
* sh-mmcif
* sh-mobile-ceu-camera
* sh-msiof
* sh-pfc
* sh-sci
* smsc911x
* sysc
* usb3-peri
* usbhs
* vsp1
* watchdog
* xhci-plat
* xhci-rcar

Limited backport of the following to provide dependencies for the above:
* drm-tilcdc-compat
* of-overlay
Merge tags 'backport/v4.14.40/at24-to-v4.17-rc7', 'backport/v4.14.40/cpg-to-v4.17-rc7', 'backport/v4.14.40/gen3-to-v4.17', 'backport/v4.14.40/gpio-em-to-v4.17-rc7', 'backport/v4.14.40/gpio-keys-to-v4.17-rc7', 'backport/v4.14.40/gpio-rcar-to-v4.17-rc7', 'backport/v4.14.40/gpio-regulator-to-v4.17-rc7', 'backport/v4.14.40/i2c-rcar-to-v4.17-rc7', 'backport/v4.14.40/i2c-sh-mobile-to-v4.17-rc7', 'backport/v4.14.40/ipmmu-vmsa-to-v4.17-rc7', 'backport/v4.14.40/irq-gic-to-v4.17-rc7', 'backport/v4.14.40/irq-renesas-intc-irqpin-to-v4.17-rc7', 'backport/v4.14.40/irq-renesas-irqc-to-v4.17-rc7', 'backport/v4.14.40/mach-shmobile-to-v4.17-rc7', 'backport/v4.14.40/pci-rcar-gen2-to-v4.17-rc7', 'backport/v4.14.40/pcie-rcar-to-v4.17-rc7', 'backport/v4.14.40/phy-micrel-to-v4.17-rc7', 'backport/v4.14.40/phy-rcar-gen3-usb2-to-v4.17-rc7', 'backport/v4.14.40/pwm-rcar-to-v4.17-rc7', 'backport/v4.14.40/pwm-renesas-tpu-to-v4.17-rc7', 'backport/v4.14.40/ravb-to-v4.17-rc7', 'backport/v4.14.40/rcar-canfd-to-v4.17-rc7', 'backport/v4.14.40/rcar-dmac-to-v4.17-rc7', 'backport/v4.14.40/rcar-rst-to-v4.17-rc7', 'backport/v4.14.40/rcar-snd-to-v4.17-rc7', 'backport/v4.14.40/rcar-vin-to-v4.17-rc7', 'backport/v4.14.40/renesas-ceu-to-v4.17-rc7', 'backport/v4.14.40/renesas-sdhi-to-v4.17-rc7', 'backport/v4.14.40/renesas-soc-id-to-v4.17-rc7', 'backport/v4.14.40/rspi-to-v4.17-rc7', 'backport/v4.14.40/sh-mmcif-to-v4.17-rc7', 'backport/v4.14.40/sh-msiof-to-v4.17-rc7', 'backport/v4.14.40/sh-pfc-to-v4.17-rc7', 'backport/v4.14.40/sh-sci-to-v4.17', 'backport/v4.14.40/sysc-to-v4.17-rc7', 'backport/v4.14.40/vsp1-to-v4.17-rc7', 'backport/v4.14.40/watchdog-to-v4.17-rc7' and 'backport/v4.14.40/xhci-plat-to-v4.17-rc7' into backport/v4.14.48/snapshot