tree ca6db192d1eb9edd70c70c1fd8bb120454fc3663
parent 228110b851b48a9cd6e733ee6c44e6900b4c8cef
author Sam Leffler <sleffler@google.com> 1692739358 -0700
committer Sam Leffler <sleffler@google.com> 1693528036 -0700

build/nexus: expand builtins into ext_flash.tar

Extract the contents of the builtins cpio bundle and append the files
to the tarball loaded into SPI flash. This will serve as an initial
filesystem for the SEC storage manager.

Change-Id: I7aaab6641f7a400bda3cfa52c8286198326e47a2