ARM: dts: msm: Fix RPM_AGGR2_NOC_CLK name change for SDM660/SDM630

RPM_AGGR2_NOC_CLK is separated out to allow individual voters
could vote on these clocks and voter clock would aggregate the
clock rates.

Change-Id: Ib15499a0025c422786b432a1e98380ce86692e7b
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: Utkarsh Saxena <usaxena@codeaurora.org>