MIPS: malta: enable PCI driver model

Enable DM_PCI and DM_ETH on MIPS Malta.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e548016..6b1f10d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -14,8 +14,11 @@
 
 config TARGET_MALTA
 	bool "Support malta"
+	select BOARD_EARLY_INIT_R
 	select DM
 	select DM_SERIAL
+	select DM_PCI
+	select DM_ETH
 	select DYNAMIC_IO_PORT_BASE
 	select MIPS_CM
 	select MIPS_INSERT_BOOT_CONFIG
@@ -23,6 +26,7 @@
 	select MIPS_L2_CACHE
 	select OF_CONTROL
 	select OF_ISA_BUS
+	select PCI_MAP_SYSTEM_MEMORY
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1