tree b2ef7cd66ce59bd8000be248b1f9e8dbbcfa37f7
parent 0b73f43c34aadb40270b186ac9833c0cab33216a
author Sam Leffler <sleffler@google.com> 1690309832 -0700
committer Sam Leffler <sleffler@google.com> 1690330177 -0700

matcha/tock: tar_loader changes for spiflash seL4 elfloader

- pad header to 512 bytes
- new api's for accessing name & header fields
- copy_File api for in-memory copy of a file's contents

Change-Id: I6da1d06607b3b0350403e5e9699d2d8f6c74399e