meta-ibm: Add GPU themal policy

Mihawk's GPU temperature exceeds 92 degrees Celcius should be shutsown
to avoid GPU damage.

Tested:
GPU temperature exceeds 92 degrees Celcius system will shutdown.

Change-Id: Ib44a769022c2cc895dc0d05be8cefee33a672c8f
Signed-off-by: Ben Pai <Ben_Pai@wistron.com>
1 file changed