fix(drivers/rcar3): console: fix a return value of console_rcar_init
fix(drivers/rcar3): console: fix a return value of console_rcar_init

This commit fixes a return value of console_rcar_init because it is
expected to return 1 on success but the function always returns 0.

Signed-off-by: Toshiyuki Ogasahara <400c4e7a7839959b6b07a73f04007ccb4fab1369@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <d86d911fdf74bc568916e51d62d67d57b0acd5dd@renesas.com>
Change-Id: I97a6800578e3c517c0c1e3c00dc75f0ef75e8778

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware