staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table

commit 7a8d2f1908a59003e55ef8691d09efb7fbc51625 upstream.

The Edimax EW-7811UN V2 uses an RTL8188EU chipset and works with this
driver.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210204085217.9743-1-martin@kaiser.cx


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