unified: idle.c to include power.h

Needed to resolve various undeclared symbols when SYS_POWER_MANAGEMENT
is enabled.

Jira: ZEP-1073
Change-Id: I21db2580efb15c80d84d9163fe9e8245d6dc0391
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
1 file changed