enrc2b: Add soundimage files

Change-Id: Icc0eec363e455f0bef27f323638c1769df1423e2
enrc2b: Add audio tfa files

Change-Id: I120244f096554d5987c8a05b3b5c55aee87ca54e
enrc2b: Add prebuilt/dsp files from device tree

Change-Id: Iea1718aac2659c3d12e8801c455c64c86c446a1c
Merge pull request #10 from thoemy/cleanup-enrc2b

enrc2b: Move files from device tree to vendor