hw: move GPIO interfaces to hw/gpio/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/arm/Makefile.objs

@@ -4,8 +4,7 @@ obj-y += arm_sysctl.o arm11mpcore.o a9mpcore.o
 obj-y += exynos4210_pmu.o
 obj-y += a15mpcore.o
 obj-y += pxa2xx_pcmcia.o
-obj-y += zaurus.o
-obj-y += omap_clk.o omap_gpio.o
+obj-y += omap_clk.o
 obj-y += omap_gpmc.o omap_sdrc.o omap_tap.o omap_l4.o
 obj-y += cbus.o
 obj-y += mst_fpga.o

hw/gpio/Makefile.objs

@@ -1,3 +1,6 @@
 common-obj-$(CONFIG_MAX7310) += max7310.o
 common-obj-$(CONFIG_PL061) += pl061.o
 common-obj-$(CONFIG_PUV3) += puv3_gpio.o
+common-obj-$(CONFIG_ZAURUS) += zaurus.o
+
+obj-$(CONFIG_OMAP) += omap_gpio.o