staging: rtl8192e: renamed variable CCKOFDMRate

Coding style issue, checkpatch avoid CamelCase,
rename it. CCKOFDMRate -> cck_of_dm_rate
Signed-off-by: Gary Rookard <garyrookard@fastmail.org>
Link: https://lore.kernel.org/r/20231208015536.21013-4-garyrookard@fastmail.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -116,13 +116,13 @@ static u16 ht_mcs_to_data_rate(struct rtllib_device *ieee, u8 mcs_rate)
 
 u16  tx_count_to_data_rate(struct rtllib_device *ieee, u8 data_rate)
 {
-	u16	CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
+	u16	cck_of_dm_rate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
 				   0x24, 0x30, 0x48, 0x60, 0x6c};
 	u8	is40MHz = 0;
 	u8	isShortGI = 0;
 
 	if (data_rate < 12)
-		return CCKOFDMRate[data_rate];
+		return cck_of_dm_rate[data_rate];
 	if (data_rate >= 0x10 && data_rate <= 0x1f) {
 		is40MHz = 0;
 		isShortGI = 0;