cime bug ocean root pe

[hkershaw-brown]

looks like the root PE for the ocean is not gettin updated when changing the number of tasks:
./xmlquery --partial NTASKS,NTHRDS,ROOTPE,NINST,TOTALPES

Results in group build_status
NINST_BUILD: 0
NINST_VALUE: 0

Results in group cupid_run_components
CUPID_NTASKS: 1

Results in group mach_pes
NTASKS: ['CPL:2', 'ATM:2', 'LND:2', 'ICE:2', 'OCN:2', 'ROF:2', 'GLC:2', 'WAV:2', 'ESP:2']
NTASKS_PER_INST: ['ATM:2', 'LND:2', 'ICE:2', 'OCN:2', 'ROF:2', 'GLC:2', 'WAV:2', 'ESP:2']
NTHRDS: ['CPL:1', 'ATM:1', 'LND:1', 'ICE:1', 'OCN:1', 'ROF:1', 'GLC:1', 'WAV:1', 'ESP:1']
ROOTPE: ['CPL:0', 'ATM:0', 'LND:0', 'ICE:0', 'OCN:128', 'ROF:0', 'GLC:0', 'WAV:0', 'ESP:0']
NINST: 3

Results in group mach_pes_last
TOTALPES: 390

Results in group run_pio
PIO_ASYNCIO_NTASKS: 0
PIO_ASYNCIO_ROOTPE: 1
hkershaw@derecho5:/glade/derecho/scratch/hkershaw/CESM_regional/hawaii(hawaii)$ ./xmlquery --partial ROOTPE

Results in group mach_pes
ROOTPE: ['CPL:0', 'ATM:0', 'LND:0', 'ICE:0', 'OCN:128', 'ROF:0', 'GLC:0', 'WAV:0', 'ESP:0']

Results in group run_pio
PIO_ASYNCIO_ROOTPE: 1