[PATCH] ARM: AM33xx: Add SoC specific restart hook

* Jean-Sebastien A. Beaudry [off-list ref] [130123 13:06]:

From: "Jean-Sebastien A. Beaudry" <redacted>

Add restart hook so that DTS based AM33xx builds can restart
the platform.

Thanks applying into omap-for-v3.9/soc.

Regards,

Tony