zstd ZSTD_getFrameContentSize can return decompress size
zstd ZSTD_getFrameContentSize can return decompress size

zstd HEAD include optional field, which show original filesize.
The default yocto image set this optional field.
So needn't guess decopressed file size.

Signed-off-by: Frank Li <0279e7152f25d4542049abca88faaa7cb3f38761@nxp.com>

NXPmicro/mfgtools,NXPmicro/mfgtools,NXPmicro/mfgtools