feat(tlc): add command gen-header

Introduce the gen-header command to the tool, enabling developers to
create language bindings. Currently, it supports generating C headers
from a transfer list.

Change-Id: Ibec75639c38577802d5abe55c7bc718740aad2b8
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
7 files changed