staging: rtl8192e: Join constants RadioA_ArrayLength with ..LengthPciE

Join constants RadioA_ArrayLength with RadioA_ArrayLengthPciE to
RTL8192E_RADIO_A_ARR_LEN to improve readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/a03372c15cf1489b964d48d667f39c6e231fa190.1678814935.git.philipp.g.hortmann@gmail.com


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