feat(plat/rcar3): update IPL and Secure Monitor Rev.3.0.3

Update the revision number in the revision management file.

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>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I19f713de68e62a2ed3f4ec08c31b35af6a4014ef