common/cnxk: use SSO time counter threshold for IRQ
common/cnxk: use SSO time counter threshold for IRQ

Enable time counter based threshold for raising SSO
EXE_INT instead of IAQ threshold. Time counter based
threshold helps getting periodic interrupts and process
pkts in burst instead of getting HW to raise an interrupt
for every new work.

Signed-off-by: Nithin Dabilpuram <5876e1d9ac41f57357c508f9123b8d030ff3606b@marvell.com>
Acked-by: Jerin Jacob <352c4d4f9291b869992ddb67daa45ddc149fed30@marvell.com>

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