ARM: orion5x: make dns323 independent of PHY support

The D-Link DNS-323 machine tries to unconditionally select CONFIG_PHYLIB,
but that has other dependencies that might not necessarily be enabled,
causing random build errors.

To work around this, this patch removes the 'select' statement and
instead uses a compile-time check to skip the phy_register_fixup_for_uid()
call if PHYLIB is not available in the kernel.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>

arch/arm/mach-orion5x/Kconfig

@@ -33,7 +33,6 @@ config MACH_KUROBOX_PRO
 config MACH_DNS323
 	bool "D-Link DNS-323"
 	select I2C_BOARDINFO
-	select PHYLIB
 	help
 	  Say 'Y' here if you want your kernel to support the
 	  D-Link DNS-323 platform.

arch/arm/mach-orion5x/dns323-setup.c

@@ -642,6 +642,8 @@ static void __init dns323_init(void)
 		platform_device_register_simple("dns323c-fan", 0, NULL, 0);
 
 		/* Register fixup for the PHY LEDs */
+		if (!IS_BUILTIN(CONFIG_PHYLIB))
+			break;
 		phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
 					   MARVELL_PHY_ID_MASK,
 					   dns323c_phy_fixup);