pmdomain: actions: Move Kconfig file to the pmdomain subsystem

The Kconfig belongs closer to the corresponding implementation, hence let's
move it from the soc subsystem to the pmdomain subsystem.

Cc: "Andreas Färber" <[e-mail]>
Cc: Manivannan Sadhasivam <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Ulf Hansson <[e-mail]>

MAINTAINERS

···
 F:	drivers/mmc/host/owl-mmc.c
 F:	drivers/net/ethernet/actions/
 F:	drivers/pinctrl/actions/*
-F:	drivers/soc/actions/
+F:	drivers/pmdomain/actions/
 F:	include/dt-bindings/power/owl-*
 F:	include/dt-bindings/reset/actions,*
 F:	include/linux/soc/actions/

drivers/pmdomain/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0-only
 menu "PM Domains"
 
+source "drivers/pmdomain/actions/Kconfig"
+
 endmenu

drivers/soc/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0-only
 menu "SOC (System On Chip) specific Drivers"
 
-source "drivers/soc/actions/Kconfig"
 source "drivers/soc/amlogic/Kconfig"
 source "drivers/soc/apple/Kconfig"
 source "drivers/soc/aspeed/Kconfig"