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/skfp/hwmtm.c b/drivers/net/skfp/hwmtm.c
index af5a755..e26398b 100644
--- a/drivers/net/skfp/hwmtm.c
+++ b/drivers/net/skfp/hwmtm.c
@@ -691,7 +691,7 @@
  *		interrupt service routine, handles the interrupt requests
  *		generated by the FDDI adapter.
  *
- * NOTE:	The operating system dependent module must garantee that the
+ * NOTE:	The operating system dependent module must guarantee that the
  *		interrupts of the adapter are disabled when it calls fddi_isr.
  *
  *	About the USE_BREAK_ISR mechanismn: