Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d9c8bca..0ef7b4b 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1478,7 +1478,7 @@
 	return local_read(&bpage->entries) & RB_WRITE_MASK;
 }
 
-/* Size is determined by what has been commited */
+/* Size is determined by what has been committed */
 static inline unsigned rb_page_size(struct buffer_page *bpage)
 {
 	return rb_page_commit(bpage);
@@ -2932,7 +2932,7 @@
 	/*
 	 * cpu_buffer->pages just needs to point to the buffer, it
 	 *  has no specific buffer page to point to. Lets move it out
-	 *  of our way so we don't accidently swap it.
+	 *  of our way so we don't accidentally swap it.
 	 */
 	cpu_buffer->pages = reader->list.prev;