staging: rtl8192e: Join constants MACPHY_ArrayLength with ..LengthPciE

Join constants MACPHY_ArrayLength with MACPHY_ArrayLengthPciE to
RTL8192E_MACPHY_ARR_LEN to improve readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/881ce5739e4237ea9a31029acaa535422d41fa5f.1678814935.git.philipp.g.hortmann@gmail.com


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