wireless: fix typos in mwifiex and rtlwifi

This patch fix some spelling typo in drivers/net/wirless

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/fw.c b/drivers/net/wireless/rtlwifi/rtl8723be/fw.c
index 69d4f0f..d5da0f3 100644
--- a/drivers/net/wireless/rtlwifi/rtl8723be/fw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8723be/fw.c
@@ -613,7 +613,7 @@
 		break;
 	default:
 		RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
-			 "[C2H], Unkown packet!! CmdId(%#X)!\n", c2h_cmd_id);
+			 "[C2H], Unknown packet!! CmdId(%#X)!\n", c2h_cmd_id);
 		break;
 	}
 }