staging: r8188eu: use ether_addr_equal in OnAction

staging: r8188eu: use ether_addr_equal in OnAction

Use ether_addr_equal to compare two mac addresses in OnAction.

Both struct ieee80211_mgmt and struct eeprom_priv's mac_addr component
are 2-byte aligned.

Suggested-by: Joe Perches <joe@perches.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221031205140.124682-1-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>