uboot-imx

ARC: HSDK: Hang on panic

As HSDK is a development board it is better to hang on panic instead of
reset the board when panic occurs. That way we preserve a state of HW
for possibility to do post-mortem debug via JTAG.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>