scripts/spelling.txt: add "overwriten" pattern and fix typo instances

Fix typos and add the following to the scripts/spelling.txt:

overwrien||overwritten

Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Masahiro Yamada <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/infiniband/hw/qib/qib_iba6120.c

···
 	/* disable error interrupts, to avoid confusion */
 	qib_write_kreg(dd, kr_errmask, 0ULL);
 
-	/* also disable interrupts; errormask is sometimes overwriten */
+	/* also disable interrupts; errormask is sometimes overwritten */
 	qib_6120_set_intr_state(dd, 0);
 
 	qib_cancel_sends(dd->pport);

drivers/infiniband/hw/qib/qib_iba7220.c

···
 	/* disable error interrupts, to avoid confusion */
 	qib_write_kreg(dd, kr_errmask, 0ULL);
 
-	/* also disable interrupts; errormask is sometimes overwriten */
+	/* also disable interrupts; errormask is sometimes overwritten */
 	qib_7220_set_intr_state(dd, 0);
 
 	qib_cancel_sends(dd->pport);

drivers/infiniband/hw/qib/qib_iba7322.c

···
 			qib_write_kreg_port(dd->pport + pidx, krp_errmask,
 					    0ULL);
 
-	/* also disable interrupts; errormask is sometimes overwriten */
+	/* also disable interrupts; errormask is sometimes overwritten */
 	qib_7322_set_intr_state(dd, 0);
 
 	/* clear the freeze, and be sure chip saw it */

drivers/isdn/hardware/mISDN/mISDNipac.c

···
 		ipac->hscx[i].bch.hw = hw;
 		ipac->hscx[i].ip = ipac;
 		/* default values for IOM time slots
-		 * can be overwriten by card */
+		 * can be overwritten by card */
 		ipac->hscx[i].slot = (i == 0) ? 0x2f : 0x03;
 	}
 

drivers/parport/parport_pc.c

···
  *	******************************************
  */
 
-/* GCC is not inlining extern inline function later overwriten to non-inline,
+/* GCC is not inlining extern inline function later overwritten to non-inline,
    so we use outlined_ variants here.  */
 static const struct parport_operations parport_pc_ops = {
 	.write_data	= parport_pc_write_data,

scripts/spelling.txt

···
 overriden||overridden
 overun||overrun
 overwritting||overwriting
+overwriten||overwritten
 pacakge||package
 pachage||package
 packacge||package

sound/pci/cs46xx/cs46xx_dsp_task_types.h

···
 
 	u32	  saverfe;					
 
-	/* Value may be overwriten by stack save algorithm.
+	/* Value may be overwritten by stack save algorithm.
 	   Retain the size of the stack data saved here if used */
 	___DSP_DUAL_16BIT_ALLOC(
              reserved1,