powerpc/eeh: Fix spelling of the word "auxillary" and update comment

Fix spelling of the word "auxillary" in arch/powerpc/kernel/eeh_pe.c
and arch/powerpc/include/asm/eeh.h.

Also update the eeh_set_pe_aux_size() comment to include the units.

Signed-off-by: Ghanshyam Agrawal <[e-mail]>
[mpe: Squash into one commit]
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://msgid.link/2ab03[e-mail]

arch/powerpc/include/asm/eeh.h

···
 	int false_positives;		/* Times of reported #ff's	*/
 	atomic_t pass_dev_cnt;		/* Count of passed through devs	*/
 	struct eeh_pe *parent;		/* Parent PE			*/
-	void *data;			/* PE auxillary data		*/
+	void *data;			/* PE auxiliary data		*/
 	struct list_head child_list;	/* List of PEs below this PE	*/
 	struct list_head child;		/* Memb. child_list/eeh_phb_pe	*/
 	struct list_head edevs;		/* List of eeh_dev in this PE	*/

arch/powerpc/kernel/eeh_pe.c

···
 static LIST_HEAD(eeh_phb_pe);
 
 /**
- * eeh_set_pe_aux_size - Set PE auxillary data size
- * @size: PE auxillary data size
+ * eeh_set_pe_aux_size - Set PE auxiliary data size
+ * @size: PE auxiliary data size in bytes
  *
- * Set PE auxillary data size
+ * Set PE auxiliary data size.
  */
 void eeh_set_pe_aux_size(int size)
 {