dragonboards: Update bootloader rescue packages

Update bootloader binaries for db845c and rb5. The new
binaries support Android boot image header v4.

Downloaded db845c bootloader package from:
http://snapshots.linaro.org/96boards/dragonboard845c/linaro/rescue/97/dragonboard-845c-bootloader-ufs-aosp-97.zip

And rb5 bootloader package from:
http://snapshots.linaro.org/96boards/qrb5165-rb5/linaro/rescue/29/rb5-bootloader-ufs-aosp-29.zip

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Change-Id: I6fb85db82abed624707004ffb15846f531597953
diff --git a/src/README b/src/README
index 650a33a..27d8ff4 100644
--- a/src/README
+++ b/src/README
@@ -24,7 +24,7 @@
     │   ├── dragonboard-845c-bootloader-ufs-aosp/
     │   │   Db845c bootloader/rescue package is covered under LICENSE file.
     │   │   The package can be downloaded from
-    │   │   http://snapshots.linaro.org/96boards/dragonboard845c/linaro/rescue/90/dragonboard-845c-bootloader-ufs-aosp-90.zip
+    │   │   http://snapshots.linaro.org/96boards/dragonboard845c/linaro/rescue/97/dragonboard-845c-bootloader-ufs-aosp-97.zip
     │   │
     │   ├── qdl/
     │   │   QDL board recovery tool (covered under LICENSE) is built from
@@ -42,7 +42,7 @@
         ├── rb5-bootloader-ufs-aosp/
         │   RB5 bootloader/rescue package is covered under LICENSE file.
         │   The package can be downloaded from
-        │   http://snapshots.linaro.org/96boards/qrb5165-rb5/linaro/rescue/21/rb5-bootloader-ufs-aosp-21.zip
+        │   http://snapshots.linaro.org/96boards/qrb5165-rb5/linaro/rescue/29/rb5-bootloader-ufs-aosp-29.zip

         └── RB5_firmware_20210331-v4/
             These binaries are covered under LICENSE.qcom.txt