MIPS: BCM63XX: use linux/serial_bcm63xx.h

Update the early_printk code to include linux/serial_bcm63xx.h which
provides the definitions for the UART block registers. While at it,
remove the inclusion of serial_bcm63xx.h which was just there to allow
smooth transition.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6203/
diff --git a/arch/mips/bcm63xx/early_printk.c b/arch/mips/bcm63xx/early_printk.c
index aa8f7f9..f92f1a2 100644
--- a/arch/mips/bcm63xx/early_printk.c
+++ b/arch/mips/bcm63xx/early_printk.c
@@ -8,7 +8,7 @@
 
 #include <linux/init.h>
 #include <bcm63xx_io.h>
-#include <bcm63xx_regs.h>
+#include <linux/serial_bcm63xx.h>
 
 static void wait_xfered(void)
 {