media: platform: rename mtk-vpu/ to mediatek/mtk-vpu/

As the end goal is to have platform drivers split by vendor,
rename mtk-vpu/ to mediatek/mtk-vpu/.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

MAINTAINERS

···
 S:	Supported
 F:	Documentation/devicetree/bindings/media/mediatek-mdp.txt
 F:	drivers/media/platform/mediatek/mtk-mdp/
-F:	drivers/media/platform/mtk-vpu/
+F:	drivers/media/platform/mediatek/mtk-vpu/
 
 MEDIATEK MEDIA DRIVER
 M:	Tiffany Lin <[e-mail]>
···
 F:	Documentation/devicetree/bindings/media/mediatek-vcodec.txt
 F:	Documentation/devicetree/bindings/media/mediatek-vpu.txt
 F:	drivers/media/platform/mediatek/mtk-vcodec/
-F:	drivers/media/platform/mtk-vpu/
+F:	drivers/media/platform/mediatek/mtk-vpu/
 
 MEDIATEK MMC/SD/SDIO DRIVER
 M:	Chaotian Jing <[e-mail]>

drivers/media/platform/Kconfig

···
 source "drivers/media/platform/mediatek/mtk-jpeg/Kconfig"
 source "drivers/media/platform/mediatek/mtk-mdp/Kconfig"
 source "drivers/media/platform/mediatek/mtk-vcodec/Kconfig"
-source "drivers/media/platform/mtk-vpu/Kconfig"
+source "drivers/media/platform/mediatek/mtk-vpu/Kconfig"
 source "drivers/media/platform/nxp/Kconfig"
 source "drivers/media/platform/omap/Kconfig"
 source "drivers/media/platform/omap3isp/Kconfig"

drivers/media/platform/Makefile

···
 obj-y += mediatek/mtk-jpeg/
 obj-y += mediatek/mtk-mdp/
 obj-y += mediatek/mtk-vcodec/
-obj-y += mtk-vpu/
+obj-y += mediatek/mtk-vpu/
 obj-y += nxp/
 obj-y += omap/
 obj-y += omap3isp/

drivers/media/platform/mediatek/mtk-mdp/Makefile

···
 
 obj-$(CONFIG_VIDEO_MEDIATEK_MDP) += mtk-mdp.o
 
-ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu
+ccflags-y += -I$(srctree)/drivers/media/platform/mediatek/mtk-vpu