ARM: UniPhier: switch to 1CS support card

The 3CS support card (CONFIG_DCC_MICRO_SUPPORT_CARD) used to be used
very often before, but it is recently getting a minority.  Swith to
the 1CS support card (CONFIG_PFC_MICRO_SUPPORT_CARD).

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>