tty: serial: mpc52xx_uart: remove double ifdeffery

The code now contains:
 #ifdef CONFIG_PPC_MPC512x
 ...
 #endif

 #ifdef CONFIG_PPC_MPC512x
 ...
 #endif

So remove the endif+ifdef from the middle, provided it's about the same
define.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220411104506.8990-2-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/mpc52xx_uart.c

@@ -754,9 +754,6 @@ static void mpc512x_psc_get_irq(struct uart_port *port, struct device_node *np)
 	port->irqflags = IRQF_SHARED;
 	port->irq = psc_fifoc_irq;
 }
-#endif
-
-#ifdef CONFIG_PPC_MPC512x
 
 #define PSC_5125(port) ((struct mpc5125_psc __iomem *)((port)->membase))
 #define FIFO_5125(port) ((struct mpc512x_psc_fifo __iomem *)(PSC_5125(port)+1))