drivers: tty: serial: cpm_uart: fix includes

Fixing checkpatch warning:

    WARNING: Use #include <linux/io.h> instead of <asm/io.h>
    torvalds#25: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:25:
    +#include <asm/io.h>

    WARNING: Use #include <linux/io.h> instead of <asm/io.h>
    +#include <asm/io.h>

    WARNING: Use #include <linux/delay.h> instead of <asm/delay.h>
    +#include <asm/delay.h>

Signed-off-by: Enrico Weigelt <info@metux.net>

Author: metux

drivers/tty/serial/cpm_uart/cpm_uart_core.c

@@ -32,10 +32,10 @@
 #include <linux/of_platform.h>
 #include <linux/gpio/consumer.h>
 #include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/delay.h>
 
-#include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/delay.h>
 #include <asm/fs_pd.h>
 #include <asm/udbg.h>
 

drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c

@@ -21,8 +21,8 @@
 #include <linux/device.h>
 #include <linux/memblock.h>
 #include <linux/dma-mapping.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/fs_pd.h>
 #include <asm/prom.h>