msm: adsp-loader: Modify the adsp_state check to get subsystem

ADSP subsystem_get has been called based on the adsp state variable.
If the adsp state is down then subsystem_get has been called.
In one of the cases, adsp state has been updated to system_up in the
APR function, upon subsystem notifier callback.

As the adsp state has been modified, subsystem_get function has not
been called from adsp loader. Modifying the status check, such that
subsystem_get called.

Change-Id: I10d02dfb29ad80e89dcd57522b43dee0e4662aba
Signed-off-by: Viraja Kommaraju <virajak@codeaurora.org>