staging: ks7010: Replace memcmp() operation with ether_addr_equal().

Instead of using memcmp() to directly compare BSSIDs, use
ether_addr_equal() from 'linux/etherdevice.h'.

Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>