feat(plat/rcar3): modify operation register from SYSCISR to SYSCISCR

Modified the operation register to clearing the state bit of
the SYSCISR register from SYSCISR to SYSCISCR.

Signed-off-by: Hideyuki Nitta <hideyuki.nitta.jf@hitachi.com>
Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Change-Id: I9a0820b6414425fa2f4197f60852137827414a4d
1 file changed