sandbox: Don't use IDE and iotrace in SPL

These functions are not supported in SPL, so drop them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 23a0c40..4de89f8 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -16,8 +16,10 @@
 
 #endif
 
+#ifndef CONFIG_SPL_BUILD
 #define CONFIG_IO_TRACE
 #define CONFIG_CMD_IOTRACE
+#endif
 
 #ifndef CONFIG_TIMER
 #define CONFIG_SYS_TIMER_RATE		1000000
@@ -192,6 +194,7 @@
 #define CONFIG_CMD_LZMADEC
 #define CONFIG_CMD_DATE
 
+#ifndef CONFIG_SPL_BUILD
 #define CONFIG_CMD_IDE
 #define CONFIG_SYS_IDE_MAXBUS		1
 #define CONFIG_SYS_ATA_IDE0_OFFSET	0
@@ -201,6 +204,7 @@
 #define CONFIG_SYS_ATA_REG_OFFSET	1
 #define CONFIG_SYS_ATA_ALT_OFFSET	2
 #define CONFIG_SYS_ATA_STRIDE		4
+#endif
 
 #define CONFIG_SCSI
 #define CONFIG_SCSI_AHCI_PLAT