Enable interrupts in monitor mode for wcn6450.
Interrupt configuration related code is moved from dp_main.c file to
dp_rings_main.c file as part of 'Ie58eae34a2da77c2d63870fab74b9d2d9d49c14a'
as Evros does not use dp group interrupts.
Move back the interrupt configuration related code from dp_rings_main.c
to dp_main.c to enable interrupts in monitor mode for wcn6450.
Change-Id: I7a3cbbe905072dad1cf38799ac6ef441281f78f9
CRs-Fixed: 3565734