ARM: ux500: Move power-domain driver to the genpd dir

To simplify with maintenance let's move the ux500 power-domain driver to
the new genpd directory. Going forward, patches are intended to be managed
through a separate git tree, according to MAINTAINERS.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

MAINTAINERS

@@ -2421,6 +2421,7 @@ F:	arch/arm/mach-ux500/
 F:	drivers/clk/clk-nomadik.c
 F:	drivers/clocksource/clksrc-dbx500-prcmu.c
 F:	drivers/dma/ste_dma40*
+F:	drivers/genpd/st/ste-ux500-pm-domain.c
 F:	drivers/hwspinlock/u8500_hsem.c
 F:	drivers/i2c/busses/i2c-nomadik.c
 F:	drivers/iio/adc/ab8500-gpadc.c

arch/arm/mach-ux500/Makefile

@@ -6,4 +6,3 @@
 obj-y				:= pm.o
 obj-$(CONFIG_UX500_SOC_DB8500)	+= cpu-db8500.o
 obj-$(CONFIG_SMP)		+= platsmp.o
-obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o

drivers/genpd/Makefile

@@ -8,6 +8,7 @@ obj-y					+= qcom/
 obj-y					+= renesas/
 obj-y					+= rockchip/
 obj-y					+= samsung/
+obj-y					+= st/
 obj-y					+= starfive/
 obj-y					+= sunxi/
 obj-y					+= tegra/

drivers/genpd/st/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_ARCH_U8500)		+= ste-ux500-pm-domain.o