aemfvp-a: repo updates for Q1'24 release

Updating relative paths of new docker repo as aemfvp-a/scripts/container-script
and docs as docs/aemfvp-a-docs.

Signed-off-by: nitin sharma <nitin.sharma3@arm.com>
Change-Id: I386fc6086831db670b41adf1ba29e13f2aaf8270