rtlwifi: Fix wrong function name in comments

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c:124: warning: expecting prototype for writeLLT(). Prototype was for rtl92c_llt_write() instead
 drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c:154: warning: expecting prototype for rtl92c_init_LLT_table(). Prototype was for rtl92c_init_llt_table() instead

Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210517050141.61488-9-shenyang39@huawei.com

drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c

@@ -112,7 +112,7 @@ void rtl92c_read_chip_version(struct ieee80211_hw *hw)
 }
 
 /**
- * writeLLT - LLT table write access
+ * rtl92c_llt_write - LLT table write access
  * @hw: Pointer to the ieee80211_hw structure.
  * @address: LLT logical address.
  * @data: LLT data content
@@ -144,7 +144,7 @@ bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
 }
 
 /**
- * rtl92c_init_LLT_table - Init LLT table
+ * rtl92c_init_llt_table - Init LLT table
  * @hw: Pointer to the ieee80211_hw structure.
  * @boundary: Page boundary.
  *