Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index d5e13c9..a7408cf 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -672,7 +672,7 @@
 		block->counters.ce_count++;
 	}
 
-	/* Propogate the count up the 'totals' tree */
+	/* Propagate the count up the 'totals' tree */
 	instance->counters.ce_count++;
 	edac_dev->counters.ce_count++;
 
@@ -718,7 +718,7 @@
 		block->counters.ue_count++;
 	}
 
-	/* Propogate the count up the 'totals' tree */
+	/* Propagate the count up the 'totals' tree */
 	instance->counters.ue_count++;
 	edac_dev->counters.ue_count++;