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/wireless/libertas/if_spi.h b/drivers/net/wireless/libertas/if_spi.h
index 8b1417d..d2ac1dc 100644
--- a/drivers/net/wireless/libertas/if_spi.h
+++ b/drivers/net/wireless/libertas/if_spi.h
@@ -66,7 +66,7 @@
 #define IF_SPI_HOST_INT_CTRL_REG 0x40	/* Host interrupt controller reg */
 
 #define IF_SPI_CARD_INT_CAUSE_REG 0x44	/* Card interrupt cause reg */
-#define IF_SPI_CARD_INT_STATUS_REG 0x48 /* Card interupt status reg */
+#define IF_SPI_CARD_INT_STATUS_REG 0x48 /* Card interrupt status reg */
 #define IF_SPI_CARD_INT_EVENT_MASK_REG 0x4C /* Card interrupt event mask */
 #define IF_SPI_CARD_INT_STATUS_MASK_REG	0x50 /* Card interrupt status mask */