tty/serial: put (EXPERIMENTAL) marking back on N_GSM and SERIAL_IFX6X60

Alan says these are not production ready, and users should be told this,
so put the "(EXPERIMENTAL)" marking back in the Kconfig entry string.

Reported-by: Alan Cox <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Stefano Stabellini <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

0 files changed, 0 insertions, 0 deletions