piix4: compile only once

Compile piix4 in hwlib. Two compilations less for the full build.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

Makefile.objs

@@ -180,6 +180,9 @@ hw-obj-$(CONFIG_DEC_PCI) += dec_pci.o
 # PowerPC E500 boards
 hw-obj-$(CONFIG_PPCE500_PCI) += ppce500_pci.o
 
+# MIPS devices
+hw-obj-$(CONFIG_PIIX4) += piix4.o
+
 # PCI watchdog devices
 hw-obj-y += wdt_i6300esb.o
 

Makefile.target

@@ -220,7 +220,7 @@ obj-mips-y += mips_addr.o mips_timer.o mips_int.o
 obj-mips-y += vga.o i8259.o
 obj-mips-y += g364fb.o jazz_led.o
 obj-mips-y += gt64xxx.o mc146818rtc.o
-obj-mips-y += piix4.o cirrus_vga.o
+obj-mips-y += cirrus_vga.o
 obj-mips-$(CONFIG_FULONG) += bonito.o vt82c686.o mips_fulong2e.o
 
 obj-microblaze-y = petalogix_s3adsp1800_mmu.o

default-configs/mips-softmmu.mak

@@ -16,6 +16,7 @@ CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_APM=y
 CONFIG_DMA=y
+CONFIG_PIIX4=y
 CONFIG_IDE_CORE=y
 CONFIG_IDE_QDEV=y
 CONFIG_IDE_PCI=y

default-configs/mips64-softmmu.mak

@@ -16,6 +16,7 @@ CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_APM=y
 CONFIG_DMA=y
+CONFIG_PIIX4=y
 CONFIG_IDE_CORE=y
 CONFIG_IDE_QDEV=y
 CONFIG_IDE_PCI=y

default-configs/mips64el-softmmu.mak

@@ -16,6 +16,7 @@ CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_APM=y
 CONFIG_DMA=y
+CONFIG_PIIX4=y
 CONFIG_IDE_CORE=y
 CONFIG_IDE_QDEV=y
 CONFIG_IDE_PCI=y

default-configs/mipsel-softmmu.mak

@@ -16,6 +16,7 @@ CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_APM=y
 CONFIG_DMA=y
+CONFIG_PIIX4=y
 CONFIG_IDE_CORE=y
 CONFIG_IDE_QDEV=y
 CONFIG_IDE_PCI=y