ARM: orion5x: Drop unneeded select of PCI_DOMAINS_GENERIC

Support for Marvell Orion SoCs depends on ARCH_MULTI_V5, and thus on
ARCH_MULTIPLATFORM.
As the latter selects GENERIC_CLOCKEVENTS and USE_OF, there is no need
for ARCH_ORION5X and ARCH_ORION5X_DT to select any of them.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm/mach-orion5x/Kconfig

@@ -3,7 +3,6 @@ menuconfig ARCH_ORION5X
 	bool "Marvell Orion"
 	depends on MMU && ARCH_MULTI_V5
 	select CPU_FEROCEON
-	select GENERIC_CLOCKEVENTS
 	select GPIOLIB
 	select MVEBU_MBUS
 	select FORCE_PCI
@@ -18,7 +17,6 @@ if ARCH_ORION5X
 
 config ARCH_ORION5X_DT
 	bool "Marvell Orion5x Flattened Device Tree"
-	select USE_OF
 	select ORION_CLK
 	select ORION_IRQCHIP
 	select ORION_TIMER