staging: rtl8192e: Rename Tx_Retry_Count_Reg

staging: rtl8192e: Rename Tx_Retry_Count_Reg

Rename: Current_Tx_Rate_Reg to CURRENT_TX_RATE_REG, Initial_Tx_Rate_Reg to
INITIAL_TX_RATE_REG and Tx_Retry_Count_Reg to TX_RETRY_COUNT_REG to avoid
CamelCase which is not accepted by checkpatch.pl.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Signed-off-by: Dragan Cvetic <dragan.m.cvetic@gmail.com>
Link: https://lore.kernel.org/r/20220924225126.10527-1-dragan.m.cvetic@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>