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/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index d8bd73d..dc1967c 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -780,7 +780,7 @@
 
 /*
  * capabilities register, can be used to selectively enable/disable features
- * for backward compability
+ * for backward compatibility
  */
 #define CRB_NIC_CAPABILITIES_HOST	NETXEN_NIC_REG(0x1a8)
 #define CRB_NIC_MSI_MODE_HOST		NETXEN_NIC_REG(0x270)