feat(android): Add a language to each code-block

For some U-Boot command listings, are not specifying a
language for the code-block.
This is checked by rstcheck and is mandatory.

Add console to these code-blocks to resolve the rstcheck warnings.

Signed-off-by: Mattijs Korpershoek <[email protected]>

Author: Mattijs Korpershoek

source/android/Overview_Flashing.rst

@@ -207,7 +207,7 @@ Once the build is complete, follow the steps below to flash the images to eMMC.
 
        Ensure the default U-Boot environment is configured with:
 
-       .. code-block::
+       .. code-block:: console
 
           => env default -f -a; saveenv;
           ## Resetting to default environment
@@ -217,7 +217,7 @@ Once the build is complete, follow the steps below to flash the images to eMMC.
 
           If you build with ``TARGET_AVB_ENABLE=true`` or flash user images you need to run this:
 
-          .. code-block::
+          .. code-block:: console
 
              => setenv force_avb "1"; saveenv;
              Saving Environment to MMC... Writing to MMC(0)... OK

source/devices/AM62PX/android/Application_Notes_dtbo_support.rst

@@ -14,7 +14,7 @@ DTBOs can be enabled from U-Boot when extra peripherals are connected to the boa
 It's possible to change the ``adtbo_idx`` from the U-Boot shell.
 For example:
 
-.. code-block::
+.. code-block:: console
 
    => env set adtbo_idx 1
    => saveenv

source/devices/AM62X/android/Application_Notes_dtbo_support.rst

@@ -14,7 +14,7 @@ DTBOs can be enabled from U-Boot when extra peripherals are connected to the boa
 It's possible to change the ``adtbo_idx`` from the U-Boot shell.
 For example:
 
-.. code-block::
+.. code-block:: console
 
    => env set adtbo_idx 1
    => saveenv