[MIPS] PCI: Always enable CONFIG_PCI_DOMAINS

The cost is just too low.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6648f9b..ebc7b4b 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -381,7 +381,6 @@
 	select SYS_HAS_EARLY_PRINTK
 	select HW_HAS_PCI
 	select NR_CPUS_DEFAULT_64
-	select PCI_DOMAINS
 	select SYS_HAS_CPU_R10000
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
@@ -513,7 +512,6 @@
 	select BOOT_ELF32
 	select DMA_COHERENT
 	select NR_CPUS_DEFAULT_4
-	select PCI_DOMAINS
 	select SIBYTE_BCM1x80
 	select SWAP_IO_SPACE
 	select SYS_HAS_CPU_SB1
@@ -1808,6 +1806,7 @@
 config PCI
 	bool "Support for PCI controller"
 	depends on HW_HAS_PCI
+	select PCI_DOMAINS
 	help
 	  Find out whether you have a PCI motherboard. PCI is the name of a
 	  bus system, i.e. the way the CPU talks to the other stuff inside
@@ -1821,7 +1820,6 @@
 
 config PCI_DOMAINS
 	bool
-	depends on PCI
 
 source "drivers/pci/Kconfig"