watchdog: Drop unnecessary include of miscdevice.h

After commit 487722cf2 (watchdog: Get rid of MODULE_ALIAS_MISCDEV
statements) the affected drivers no longer need to include miscdevice.h.
Only exception is rt2880_wdt.c which never needed it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --cc drivers/watchdog/bcm2835_wdt.c
Simple merge

diff --cc drivers/watchdog/ep93xx_wdt.c
Simple merge

diff --cc drivers/watchdog/ie6xx_wdt.c
Simple merge

diff --cc drivers/watchdog/jz4740_wdt.c
Simple merge

diff --cc drivers/watchdog/kempld_wdt.c
Simple merge

diff --cc drivers/watchdog/max63xx_wdt.c
Simple merge

diff --cc drivers/watchdog/orion_wdt.c
Simple merge

diff --cc drivers/watchdog/pnx4008_wdt.c
Simple merge

diff --cc drivers/watchdog/rt2880_wdt.c
Simple merge

diff --cc drivers/watchdog/shwdt.c
Simple merge

diff --cc drivers/watchdog/softdog.c
Simple merge

diff --cc drivers/watchdog/stmp3xxx_rtc_wdt.c
Simple merge

diff --cc drivers/watchdog/txx9wdt.c
Simple merge

diff --cc drivers/watchdog/ux500_wdt.c
Simple merge