dm: sandbox: pci: Enable PCI for sandbox

Enable PCI options so that sandbox can be used for testing this bus with
driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>

configs/sandbox_defconfig

@@ -10,3 +10,6 @@ CONFIG_DM_CROS_EC=y
 CONFIG_CROS_EC_SANDBOX=y
 CONFIG_CROS_EC_KEYB=y
 CONFIG_CMD_CROS_EC=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_SANDBOX=y

drivers/misc/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_SANDBOX) += i2c_eeprom_emul.o
 endif
 obj-$(CONFIG_SMSC_LPC47M) += smsc_lpc47m.o
 obj-$(CONFIG_STATUS_LED) += status_led.o
+obj-$(CONFIG_SANDBOX) += swap_case.o
 obj-$(CONFIG_TWL4030_LED) += twl4030_led.o
 obj-$(CONFIG_FSL_IFC) += fsl_ifc.o
 obj-$(CONFIG_FSL_SEC_MON) += fsl_sec_mon.o

include/configs/sandbox.h

@@ -34,6 +34,10 @@
 #define CONFIG_CMD_FDT
 #define CONFIG_ANDROID_BOOT_IMAGE
 
+#define CONFIG_CMD_PCI
+#define CONFIG_PCI_PNP
+#define CONFIG_CMD_IO
+
 #define CONFIG_FS_FAT
 #define CONFIG_FAT_WRITE
 #define CONFIG_FS_EXT4