media: platform: place stm32/ and sti/ under st/ dir

As the end goal is to have platform drivers split by vendor,
move both stm32/ and sti/ for them to be inside st/ directory.

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

MAINTAINERS

···
 F:	drivers/cpufreq/sti-cpufreq.c
 F:	drivers/dma/st_fdma*
 F:	drivers/i2c/busses/i2c-st.c
-F:	drivers/media/platform/sti/c8sectpfe/
+F:	drivers/media/platform/st/sti/c8sectpfe/
 F:	drivers/media/rc/st_rc.c
 F:	drivers/mmc/host/sdhci-st.c
 F:	drivers/phy/st/phy-miphy28lp.c
···
 S:	Supported
 W:	https://linuxtv.org
 T:	git git://linuxtv.org/media_tree.git
-F:	drivers/media/platform/sti/bdisp
+F:	drivers/media/platform/st/sti/bdisp
 
 BECKHOFF CX5020 ETHERCAT MASTER DRIVER
 M:	Dariusz Marcinkiewicz <[e-mail]>
···
 S:	Supported
 W:	https://linuxtv.org
 T:	git git://linuxtv.org/media_tree.git
-F:	drivers/media/platform/sti/delta
+F:	drivers/media/platform/st/sti/delta
 
 DELTA AHE-50DC FAN CONTROL MODULE DRIVER
 M:	Zev Weiss <[e-mail]>
···
 S:	Supported
 W:	https://linuxtv.org
 T:	git git://linuxtv.org/media_tree.git
-F:	drivers/media/platform/sti/hva
+F:	drivers/media/platform/st/sti/hva
 
 HWPOISON MEMORY FAILURE HANDLING
 M:	Naoya Horiguchi <[e-mail]>
···
 S:	Supported
 T:	git git://linuxtv.org/media_tree.git
 F:	Documentation/devicetree/bindings/media/st,stm32-dcmi.yaml
-F:	drivers/media/platform/stm32/stm32-dcmi.c
+F:	drivers/media/platform/st/stm32/stm32-dcmi.c
 
 MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
 M:	Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/Kconfig

···
 source "drivers/media/platform/samsung/s5p-g2d/Kconfig"
 source "drivers/media/platform/samsung/s5p-jpeg/Kconfig"
 source "drivers/media/platform/samsung/s5p-mfc/Kconfig"
-source "drivers/media/platform/sti/Kconfig"
-source "drivers/media/platform/stm32/Kconfig"
 source "drivers/media/platform/sunxi/Kconfig"
+source "drivers/media/platform/st/sti/Kconfig"
+source "drivers/media/platform/st/stm32/Kconfig"
 source "drivers/media/platform/ti-vpe/Kconfig"
 source "drivers/media/platform/via/Kconfig"
 source "drivers/media/platform/xilinx/Kconfig"

drivers/media/platform/Makefile

···
 obj-y += samsung/s5p-g2d/
 obj-y += samsung/s5p-jpeg/
 obj-y += samsung/s5p-mfc/
-obj-y += sti/bdisp/
-obj-y += sti/c8sectpfe/
-obj-y += sti/delta/
-obj-y += sti/hva/
-obj-y += stm32/
 obj-y += sunxi/
+obj-y += st/sti/bdisp/
+obj-y += st/sti/c8sectpfe/
+obj-y += st/sti/delta/
+obj-y += st/sti/hva/
+obj-y += st/stm32/
 obj-y += ti-vpe/
 obj-y += via/
 obj-y += xilinx/

drivers/media/platform/st/sti/Kconfig

···
+# SPDX-License-Identifier: GPL-2.0-only
+source "drivers/media/platform/st/sti/bdisp/Kconfig"
+source "drivers/media/platform/st/sti/c8sectpfe/Kconfig"
+source "drivers/media/platform/st/sti/delta/Kconfig"
+source "drivers/media/platform/st/sti/hva/Kconfig"

drivers/media/platform/sti/Kconfig

···
-# SPDX-License-Identifier: GPL-2.0-only
-source "drivers/media/platform/sti/bdisp/Kconfig"
-source "drivers/media/platform/sti/c8sectpfe/Kconfig"
-source "drivers/media/platform/sti/delta/Kconfig"
-source "drivers/media/platform/sti/hva/Kconfig"