colibri_imx7: add addresses required for distro boot

Define addresses required for full distro boot support.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
diff --git a/include/configs/colibri_imx7.h b/include/configs/colibri_imx7.h
index 09722f4..b550bc6 100644
--- a/include/configs/colibri_imx7.h
+++ b/include/configs/colibri_imx7.h
@@ -109,8 +109,9 @@
 	"bootm_size=0x10000000\0" \
 	"fdt_addr_r=0x82000000\0" \
 	"kernel_addr_r=0x81000000\0" \
+	"pxefile_addr_r=0x87100000\0" \
 	"ramdisk_addr_r=0x82100000\0" \
-	"scriptaddr=0x82500000\0"
+	"scriptaddr=0x87000000\0"
 
 #define NFS_BOOTCMD \
 	"nfsargs=ip=:::::eth0: root=/dev/nfs\0" \