fix(plat/rcar): fix cache maintenance process of reading cert header

Move calling inv_dcache_range from before io_read to after that.

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: Ic0dabf3eb94eeeb04099ed5127cdfda79bbac9b3
1 file changed