cavs: memory: fix cAVS platforms memory map

Fixes memory map for cAVS platforms:
- Correct HEAP_BUFFER_SIZE.
- Correct free size for memmap.
- Remove array initialized to 0 elements (HEAP_RT_COUNT1024).

Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>
3 files changed