The current APR driver initializes subsystem state from late_init so slimbus driver reads ADSP's state too late. Move initialization code to apr_init so that slimbus driver can be probe sooner. Change-Id: I14d1bf294b40dd7ea184923ba023646e05912fff Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org> (cherry picked from commit ddc46df62d97108de1e45f57b29bc44a4ead0787)