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/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h
index c70b23d..5c9a840 100644
--- a/drivers/net/e1000/e1000_hw.h
+++ b/drivers/net/e1000/e1000_hw.h
@@ -1026,7 +1026,7 @@
 
 #define E1000_KUMCTRLSTA 0x00034	/* MAC-PHY interface - RW */
 #define E1000_MDPHYA     0x0003C	/* PHY address - RW */
-#define E1000_MANC2H     0x05860	/* Managment Control To Host - RW */
+#define E1000_MANC2H     0x05860	/* Management Control To Host - RW */
 #define E1000_SW_FW_SYNC 0x05B5C	/* Software-Firmware Synchronization - RW */
 
 #define E1000_GCR       0x05B00	/* PCI-Ex Control */