Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 0d6fec6..4fe0517 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -292,7 +292,7 @@
 /* IP_byte_align[] is used for IP header DWORD byte aligned
    0: indicate the IP header won't be DWORD byte aligned.(Default) .
    1: indicate the IP header will be DWORD byte aligned.
-      In some enviroment, the IP header should be DWORD byte aligned,
+      In some environment, the IP header should be DWORD byte aligned,
       or the packet will be droped when we receive it. (eg: IPVS)
 */
 VELOCITY_PARAM(IP_byte_align, "Enable IP header dword aligned");
@@ -1994,7 +1994,7 @@
  *	@dev: network device
  *
  *	Replace the current skb that is scheduled for Rx processing by a
- *	shorter, immediatly allocated skb, if the received packet is small
+ *	shorter, immediately allocated skb, if the received packet is small
  *	enough. This function returns a negative value if the received
  *	packet is too big or if memory is exhausted.
  */