arm: rmobile: alt: Fix typo in comment for sh-i2c

PowerIC connected to channel 1 of sh-i2c, not channel 2.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
1 file changed