tty/serial: ucc_uart: Remove ifdef SUPPORT_SYSRQ

ucc_uart doesn't seem to support console over itself, so maybe it can
be deleted with uart_handle_sysrq_char() from the file.

Cc: Timur Tabi <timur@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20191213000657.931618-50-dima@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/ucc_uart.c

@@ -551,9 +551,7 @@ handle_error:
 	/* Overrun does not affect the current character ! */
 	if (status & BD_SC_OV)
 		tty_insert_flip_char(tport, 0, TTY_OVERRUN);
-#ifdef SUPPORT_SYSRQ
 	port->sysrq = 0;
-#endif
 	goto error_return;
 }