refactor(qemu-sbsa): use fdt_read_uint32_default more

We have fdt_read_uint32_default() function which allows us to use less
temporary variables. Let make use of it where applicable.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Change-Id: I6fc8a87d5aac427703fd3c8b689e153ed58fa8b7
1 file changed