ARM: UniPhier: consolidate board_postclk_init() function

This commit merges
  arch/arm/cpu/armv7/uniphier/ph1-*/board_postclk_init.c
to
  arch/arm/cpu/armv7/uniphier/board_postclk_init.c

Because PH1-Pro4 does not have the BCU block, add __weak to
bcu_init().

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