From: "Luiz Fernando N. Capitulino" <lcapitulino@prefeitura.sp.gov.br>

drivers/net/at1700.c does not compile without CONFIG_MCA_LEGACY set.

As CONFIG_MCA_LEGACY depends on CONFIG_MCA, we can use only
CONFIG_MCA_LEGACY, insteed of "MCA && MCA_LEGACY".
Signed-off-by: Luiz Capitulino <lcapitulino@prefeitura.sp.gov.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>