8974:slim: Use direct access registers instead of RX message queues
8974:slim: Use direct access registers instead of RX message queues

BAM pipe for receiving control information is not assigned to apps
for slimbus on 8974. Use register access instead.

Change-Id: Ieac5aa54555e206f91606c5e20c0f6eefb6e7c36
Signed-off-by: Sagar Dharia <d4b6c51c9a0d66973fb6c9ecdf48c3f781903a82@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas