Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index fc7906e..3e447d03 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -54,7 +54,7 @@
 	.set_mem_map		= i82092aa_set_mem_map,
 };
 
-/* The card can do upto 4 sockets, allocate a structure for each of them */
+/* The card can do up to 4 sockets, allocate a structure for each of them */
 
 struct socket_info {
 	int	number;