phy: starfive: StarFive PHYs should depend on ARCH_STARFIVE

The various StarFive PHYs are only present on StarFive SoCs. Hence add
a dependency on ARCH_STARFIVE, to prevent asking the user about these
drivers when configuring a kernel without StarFive SoC support.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Acked-by: Changhuang Liang <[e-mail]>
Link: https://lore.kernel.org/r/12097[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/starfive/Kconfig

···
 # Phy drivers for StarFive platforms
 #
 
+if ARCH_STARFIVE || COMPILE_TEST
+
 config PHY_STARFIVE_JH7110_DPHY_RX
 	tristate "StarFive JH7110 D-PHY RX support"
 	depends on HAS_IOMEM
···
 	  used with the Cadence USB controller.
 	  If M is selected, the module will be called
 	  phy-jh7110-usb.ko.
+
+endif # ARCH_STARFIVE || COMPILE_TEST