sh: minor fixes

This patch contains the following fixes:
- Adds sh7785 support to CONFIG_EARLY_SCIF_CONSOLE_PORT.
- Removes duplicate include from rts7751r2d irq code.
- Removes CONFIG_CPU_HAS_INTC from sh7720 Kconfig entry.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/renesas/rts7751r2d/irq.c

@@ -10,7 +10,6 @@
  * Atom Create Engineering Co., Ltd. 2002.
  */
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>