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/i5000_edac.c b/drivers/edac/i5000_edac.c
index a5cefab..87f427c 100644
--- a/drivers/edac/i5000_edac.c
+++ b/drivers/edac/i5000_edac.c
@@ -1372,7 +1372,7 @@
 	 * actual number of slots/dimms per channel, we thus utilize the
 	 * resource as specified by the chipset. Thus, we might have
 	 * have more DIMMs per channel than actually on the mobo, but this
-	 * allows the driver to support upto the chipset max, without
+	 * allows the driver to support up to the chipset max, without
 	 * some fancy mobo determination.
 	 */
 	i5000_get_dimm_and_channel_counts(pdev, &num_dimms_per_channel,