staging: r8188eu: use BIT(tid) instead of manual shift

Use BIT(tid) instead of 1 << tid when we process an addba response.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220514164740.282552-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>