<common.h> pulls in a lot of headers. Including it from every .c
file is a bad idea. We need to remove contents until it contains
nothing.
Move printf() and friends to <stdio.h>.
Change-Id: I7f64296fe6e08bf695e9e274ab0f21e72e36ec48
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 7fea7b1a37ad2b1c1e92bd87f7c6a1877d70e579)