Replace 'mem2array' and 'array2mem' with a Tcl wrapper that
internally uses 'read_memory' and 'write_memory'.
The target-specific 'mem2array' and 'array2mem' functions
remain for now.
Change-Id: If24c22a76ac72d4c26916a95f7f17902b41b6d9e
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/6308
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>