diag: Correct the loop condition to iterate over features

With loop not iterating over all the hw acceleration features,
passthru control packets for enabled hw acceleration are not sent
to peripherals after SSR. Loop condition is corrected to fix
the issue case.

Change-Id: Idd054d8913f70fdba4591b172f3c5bb3710315da
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>