u-boot-rza1: Add 2015.01 port
u-boot-rza1: Add 2015.01 port

(cherry picked from commit d1c098bcb05305a5524dcd1d6de5ccc2499a227b)
Signed-off-by: Pierluigi Passaro <f693403b15b5fa4eec1ac31f01eb0487780add8d@gmail.com>

baltoboard/meta-rza1,renesas-rz/meta-renesas-rza1,baltoboard/meta-rza1