hw/loongarch: Modify flash block size to 256K

loongarch added a common library for edk2 to
parse flash base addresses through fdt.
For compatibility with other architectures,
the flash block size in qemu is now changed to 256k.

Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240624033319.999631-1-lixianglai@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
1 file changed