test/qtest/hace: Support 64-bit source and digest addresses for AST2700

test/qtest/hace: Support 64-bit source and digest addresses for AST2700

Added "HACE_HASH_SRC_HI" and "HACE_HASH_DIGEST_HI", "HACE_HASH_KEY_BUFF_HI"
registers to store upper 32 bits.
Updated "write_regs" to handle 64-bit source and digest addresses.

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/20250515081008.583578-26-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>