* Move PRACH callback in the oaioran.h/c since now used in K release.
* Reset the number of PRACH packets.
* Handle PRACH queue in the same manner as for PUSCH (95c8fa46).
Co-authored-by: Romain Beurdouche <romain.beurdouche@eurecom.fr>
Signed-off-by: Teodora Vladić <teodora.vladic@openairinterface.org>