Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 811384b..397d305 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -717,7 +717,7 @@
 	 * help simplify all this mumbo jumbo
 	 *
 	 * We've got two different sections of relocation entries.
-	 * The first is the GOT which resides at the begining of the data segment
+	 * The first is the GOT which resides at the beginning of the data segment
 	 * and is terminated with a -1.  This one can be relocated in place.
 	 * The second is the extra relocation entries tacked after the image's
 	 * data segment. These require a little more processing as the entry is