staging: rtl8723bs: fix right side of condition

staging: rtl8723bs: fix right side of condition

[ Upstream commit e3678dc1ea40425b7218c20e2fe7b00a72f23a41 ]

TxNum value is compared against ODM_RF_PATH_D,
which is inconsistent. Compare it against
RF_MAX_TX_NUM, as in other places in the same file.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/147631fe6f4f5de84cc54a62ba71d739b92697be.1628329348.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>