soc: starfive: Move the power-domain driver to the genpd dir

To simplify with maintenance let's move the starfive 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: Walker Chen <walker.chen@starfivetech.com>
Cc: Conor Dooley <conor@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: Ulf Hansson

MAINTAINERS

@@ -20323,7 +20323,7 @@ STARFIVE JH71XX PMU CONTROLLER DRIVER
 M:	Walker Chen <walker.chen@starfivetech.com>
 S:	Supported
 F:	Documentation/devicetree/bindings/power/starfive*
-F:	drivers/soc/starfive/jh71xx_pmu.c
+F:	drivers/genpd/starfive/jh71xx_pmu.c
 F:	include/dt-bindings/power/starfive,jh7110-pmu.h
 
 STARFIVE SOC DRIVERS

drivers/genpd/Makefile

@@ -8,3 +8,4 @@ obj-y					+= qcom/
 obj-y					+= renesas/
 obj-y					+= rockchip/
 obj-y					+= samsung/
+obj-y					+= starfive/

drivers/genpd/starfive/Makefile

@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_JH71XX_PMU)		+= jh71xx-pmu.o