can: rockchip_canfd: Drop obsolete dependency on COMPILE_TEST

Since commit 0166dc11 ("of: make CONFIG_OF user selectable"), OF
can be enabled on all architectures. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://patch.msgid.link/20241022130439.70d016e9@endymion.delvare


Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>