test/qtest/hace: Update source data and digest data type to 64-bit

test/qtest/hace: Update source data and digest data type to 64-bit

Currently, the hash data source and digest result buffer addresses are set to
32-bit. However, the AST2700 CPU is a 64-bit Cortex-A35 architecture, and its
DRAM base address is also 64-bit.

To support AST2700, update the hash data source address and digest result buffer
address to use 64-bit addressing.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/qemu-devel/20250515081008.583578-25-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>