headers: Fix build after <linux/sched.h> removal

Commit d43c36dc6b357fa1806800f18aa30123c747a6d1 ("headers: remove
sched.h from interrupt.h") left some build errors in some configurations
due to drivers having depended on getting header files "accidentally".

Signed-off-by: Ingo Molnar <[e-mail]>
[ Combined several one-liners from Ingo into one single patch - Linus ]
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/char/genrtc.c

···
 #define RTC_VERSION	"1.07"
 
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
 #include <linux/fcntl.h>

drivers/char/rtc.c

···
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
+#include <linux/sched.h>
 #include <linux/sysctl.h>
 #include <linux/wait.h>
 #include <linux/bcd.h>

drivers/char/sonypi.c

···
  */
 
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <linux/input.h>
 #include <linux/pci.h>
 #include <linux/init.h>

drivers/net/wan/c101.c

···
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/capability.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/string.h>

drivers/net/wan/n2.c

···
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/capability.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>

drivers/net/wan/pci200syn.c

···
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/capability.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>

drivers/pci/hotplug/cpqphp.h

···
 #include <asm/io.h>		/* for read? and write? functions */
 #include <linux/delay.h>	/* for delays */
 #include <linux/mutex.h>
+#include <linux/sched.h>	/* for signal_pending() */
 
 #define MY_NAME	"cpqphp"