Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c
index 834565d..ddf6793 100644
--- a/arch/microblaze/lib/memset.c
+++ b/arch/microblaze/lib/memset.c
@@ -64,7 +64,7 @@
 
 	if (likely(n >= 4)) {
 		/* Align the destination to a word boundary */
-		/* This is done in an endian independant manner */
+		/* This is done in an endian independent manner */
 		switch ((unsigned) src & 3) {
 		case 1:
 			*src++ = c;