add support for bml dumping

Change-Id: I9dd7fd8552d4efce533c23541f3612c01e3bd90b
diff --git a/bmlutils/bmlutils.c b/bmlutils/bmlutils.c
index b264e0a..d886898 100644
--- a/bmlutils/bmlutils.c
+++ b/bmlutils/bmlutils.c
@@ -31,3 +31,9 @@
     sprintf(tmp, "/sbin/redbend_ua restore %s %s", filename, BOARD_BOOT_DEVICE);
     return __system(tmp);
 }
+
+int read_raw_image(const char* partition, const char* filename) {
+    char tmp[PATH_MAX];
+    sprintf(tmp, "dd if=/dev/block/bml7 of=%s", filename);
+    return __system(tmp);
+}
diff --git a/nandroid.c b/nandroid.c
index 6bf6e91..b47a269 100644
--- a/nandroid.c
+++ b/nandroid.c
@@ -48,6 +48,10 @@
     sprintf(tmp, "flash_image boot %s", filename);
     return __system(tmp);
 }
+
+int read_raw_image(const char* partition, const char* filename) {
+    return dump_image(partition, filename, NULL);
+}
 #endif
 
 int print_and_error(char* message) {
@@ -144,13 +148,13 @@
 #ifndef BOARD_RECOVERY_IGNORE_BOOTABLES
     ui_print("Backing up boot...\n");
     sprintf(tmp, "%s/%s", backup_path, "boot.img");
-    ret = dump_image("boot", tmp, NULL);
+    ret = read_raw_image("boot", tmp);
     if (0 != ret)
         return print_and_error("Error while dumping boot image!\n");
 
     ui_print("Backing up recovery...\n");
     sprintf(tmp, "%s/%s", backup_path, "recovery.img");
-    ret = dump_image("recovery", tmp, NULL);
+    ret = read_raw_image("recovery", tmp);
     if (0 != ret)
         return print_and_error("Error while dumping recovery image!\n");
 #endif