Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 092aef1..09cb7c8 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1247,12 +1247,12 @@
 			break;
 
 		if (chip->erase_suspended && chip_state == FL_ERASING)  {
-			/* Erase suspend occured while sleep: reset timeout */
+			/* Erase suspend occurred while sleep: reset timeout */
 			timeo = reset_timeo;
 			chip->erase_suspended = 0;
 		}
 		if (chip->write_suspended && chip_state == FL_WRITING)  {
-			/* Write suspend occured while sleep: reset timeout */
+			/* Write suspend occurred while sleep: reset timeout */
 			timeo = reset_timeo;
 			chip->write_suspended = 0;
 		}