staging: rtl8192e: use BIT macro instead of left shifting

There is a BIT(nr) macro available in vdso/bits.h
which is doing the same left shift operation

Example: (1 << 7) == BIT(7)

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com>
Link: https://lore.kernel.org/r/20220219183234.31216-1-mosescb.dev@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>