Staging: rtl8192e: Rename variable TxSTBC

Rename variable TxSTBC to tx_stbc
to fix checkpatch warning Avoid CamelCase.

Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-12-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: treedavies

drivers/staging/rtl8192e/rtl819x_HT.h

@@ -30,7 +30,7 @@ struct ht_capab_ele {
 	u8	green_field:1;
 	u8	short_gi_20mhz:1;
 	u8	short_gi_40mhz:1;
-	u8	TxSTBC:1;
+	u8	tx_stbc:1;
 	u8	RxSTBC:2;
 	u8	DelayBA:1;
 	u8	MaxAMSDUSize:1;

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -262,7 +262,7 @@ void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap,
 	cap_ele->short_gi_20mhz		= 1;
 	cap_ele->short_gi_40mhz		= 1;
 
-	cap_ele->TxSTBC			= 1;
+	cap_ele->tx_stbc			= 1;
 	cap_ele->RxSTBC			= 0;
 	cap_ele->DelayBA		= 0;
 	cap_ele->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;