firmware: arm_scmi: Move power-domain driver to the pmdomain dir

To simplify with maintenance let's move the Arm SCMI power-domain driver
to the new pmdomain directory.

Link: https://lore.kernel.org/all/20230921113328.3208651-1-sudeep.holla@arm.comReviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

drivers/firmware/arm_scmi/Makefile

@@ -16,7 +16,6 @@ scmi-module-objs := $(scmi-driver-y) $(scmi-protocols-y) $(scmi-transport-y)
 obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-core.o
 obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o
 
-obj-$(CONFIG_ARM_SCMI_POWER_DOMAIN) += scmi_pm_domain.o
 obj-$(CONFIG_ARM_SCMI_POWER_CONTROL) += scmi_power_control.o
 
 ifeq ($(CONFIG_THUMB2_KERNEL)$(CONFIG_CC_IS_CLANG),yy)

drivers/pmdomain/arm/Makefile

 # SPDX-License-Identifier: GPL-2.0-only
 
 obj-$(CONFIG_ARM_SCMI_PERF_DOMAIN) += scmi_perf_domain.o
+obj-$(CONFIG_ARM_SCMI_POWER_DOMAIN) += scmi_pm_domain.o