ARM: dts: msm: Change ipa polling parameter in SDM660/630

Modify ipa poll parameter configuration to 1x40
to meet power and performance requirements of
SDM660/630.

Change-Id: I09cfa921ff61b38fe808f386e665ed9595c6e823
Acked-by: Mohammed Javid <mjavid@qti.qualcomm.com>
Signed-off-by: Utkarsh Saxena <usaxena@codeaurora.org>