ASoC: Intel: avs: Fix kcalloc() sizes

ASoC: Intel: avs: Fix kcalloc() sizes

rlist, clist, and slist are allocated using sizeof(pointer) instead of
sizeof(*pointer). Fix the allocations by using sizeof(*pointer) and
avoid overallocating memory on 64-bit systems.

Fixes: f2f847461fb7 ("ASoC: Intel: avs: Constrain path based on BE capabilities")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://patch.msgid.link/20250426141342.94134-2-thorsten.blum@linux.dev
Signed-off-by: Mark Brown <broonie@kernel.org>