app: aboot: Write protect partition only for user variant

Write protect devinfo partition only on user builds

Change-Id: Ie460c289899ad90f0398f5573e353e5738e5a363
diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index 1ebf2a6..0d3cd76 100644
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -625,7 +625,7 @@
 
 #if VERIFIED_BOOT
 	/* Write protect the device info */
-	if (mmc_write_protect("devinfo", 1))
+	if (target_build_variant_user() && mmc_write_protect("devinfo", 1))
 	{
 		dprintf(INFO, "Failed to write protect dev info\n");
 		ASSERT(0);